Castellated holes altium. This new process is known as solder reflow, and it doesn’t use the standard pool of molten solder that the wave process uses. Castellated holes altium

 
 This new process is known as solder reflow, and it doesn’t use the standard pool of molten solder that the wave process usesCastellated holes altium  The most powerful, modern, and easy-to-use PCB design tool for professional use

; From. We can create mounting holes in Altium Designer in two ways. In Altium Footprint Designer, under File → New → Library → PCB Library. The Drill Table, combined with Draftsman's Drill Drawing View, provides both tabular and graphic information for the board fabrication process. 00mm Plated hole, the finished hole size between 0. Drill file (pcbname. When we make a circuit board, we refer to the mounting holes as castellated. 2mm for example. Individual pad/via objects belonging to the selected holes group are listed in the lower Pad/Via section of the PCB panel. With such clips, you can. It's Tag-Connect. Therefore, the main purpose of an annular ring is. Updated: March 16, 2020. The copper layer should have pads,the soldermask layer should have soldermask openings,the drill layer should have drills and the drills center is on the outline . The color of a blind vias or buried vias will identify its start and stop layer. There are two ways to place castellated holes. Individual pad/via objects belonging to the selected holes group are listed in the lower Pad/Via section of the PCB panel. Min. Changing the hole type for the selected group of six matching hole styles. 00mm Plated hole, the finished hole size between 0. For advanced PCBs, the diameter of the castellated holes should be smaller. These specialized features resemble plated. Altium Designer checks the minimal annular ring value when “Top-Middle-Bottom” or “Full stack” is used the OAR can be set smaller than the IAR. As of now, I have 1 by 2mm pads with more than 5mm spacing between themUSING THE LIVE DRILL TABLE IMPROVES PCB PRODUCTION One of the most important elements involved with manufacturing printed circuit boards is the PCB drill table, also called the drill legend. 25mm; and a pad named s160h100 is a square, thruhole pad, of size 1. Edge Margin — Typically, designers prefer to leave a 1 mm copper-free margin from the board edge. x_t and *. You can check after uploading to MacroFab by reviewing the Border Layer in the PCB viewer. These holes give ease to change the Pin layout of the component as per the user requirement. button to add an additional Via Type, then select the layers that this Via Type spans in the Properties panel. - Castellation: The area of the castellated beam where the web has been expanded (hole). It is up to the board house on how they understand your gerbers. This section introduces the reader to the definition of these terms. The Quick Load command allows you to import all CAM files located in a single folder. The finished hole we are talking about here is nothing but a copper-plated via. The “Preferences” menu can be found by going to the bottom of the “Tools” pulldown menu. It decides the reliability of a circuit board. png (85. 1,288. Fearing a full re-install was at hand, it turned out to be enough to run the. The copper weight for inner layers is 0. Just remove the solder mask in the padstack used for the pin. STEP models - *. Their main advantage is that they allow an electrical connection to another board through the side edges of the board, without additional components. half plated holes. Drilling and through-hole plating are two crucial processes during PCB manufacturing. Altium Castellated Holes How To Make A;. Note that annular ring measured in the CAM software considers the drilled hole size and not the finished hole size. silkscreen over pads. Alternatively, you can create a user definable grid where the origin references your reference mounting hole. Use an OutJob file to generate Gerber files. Designing plated half-holes is similar to designing through holes. You want additional options such as edge plating, press-fit holes, via-in-pad, castellated holes, or carbon Mask. Let us see the steps involved in designing. A Symbol row, representing a specified type of drill hole, can include a range of. com. View in Altium Designer after all the components have been added. They extend from the outer layer to just one inner layer, unlike regular through holes that span the entire board. Plated Half-Holes(Castellated Holes). It is up to the board house on how they understand your gerbers. But ask your fab how they want it. What are the castellated holes in PCB?Castellated Hole,or plated half-hole is a kind of rampart-like structure designed at the edge of a PCB. Fabrication drawing is a blueprint for circuit board manufacturing that includes graphical representations. So, hole tolerance is critical in the design process to ensure proper placement of PTH parts. The barrel-shaped body of the via is formed when the. 4mm. Hey look. Castellation is a way of mounting one PCB onto another. A castellated pad is effectively a plated through hole that is routed in half during the board manufacturing process. The castellated hole on the lock is a slot in the form of a half socket. jpg - Electronics-Lab. This will add a new PCB component footprint library to your project. Dynamic, mass-configurable, quality, professional footprints & 3D STEPDrill guides ensure precision to your drilling work. Minimum annular ring: The minimum copper surrounding. You need to check with the PCB vendor as to their specifications. HiberXen. 3mm Hole Shape: Slot Hole Size: 1. Hold the iron's tip directly on the pad, and wait 1-2 seconds. ( See Figure 1) Figure 1: Hole Information Properties. x_b. Min. 5mm: 0. These beams are also more practical from an architectural point of view, and installations and plumbing can be. Plating Thickness. g. A pad named r155_125 is a rectangular surface mount pad, of size 1. You can open this window by clicking the icon on your left (red arrow). Printed Circuit Board manufacturing and assembly capabilities, PCB technologies or design rules for guide of PCB design and productionThe IPC-7351 standard specifies some important dimensions for creating a PCB land pattern for a SOIC footprint; these are the pad width (X), pad spacing (G), and end-to-end pad dimension (Z). PCBWay offers turn-key PCB assembly services in prototype quantities or low-volume to mid-volume production runs. FileName-Plated. Pretty neat!One reason to use holes is to fit the edge holes for some standard width so that the castellated board can be soldered to pin headers, although extra holes inside the board outline may also be used for that if there’s enough room. g. The solder. 2mm: e. 04 inches or 10 mm. Note that you can create multiple sets of Gerber outputs. Round holes can be plated or unplated. The required form factor needs a pad pitch of 20mil. With the best PCB design software in Altium Designer, you can take your mixed-signal electronics from concept to finished product in a single Watch Video. We achieve this through our network of more than 70 plants in the U. A: To alleviate any aesthetic (3D view) or communication concerns with your PCB manufacturer, simply modify the size and shape of the round hole generated by SnapEDA to be a slot. Vias can be one of the following types: Thru-Hole – this type of via passes from the Top layer to the Bottom layer and allows connections to all internal signal layers. Mathematically, AR is the ratio between the PCB thickness and the diameter of the drilled hole. If you are designing castellated modules, keep all the components of the module on the top side. Optionally, values can be saved in a . Here’s how to design a PCB module with castellated holes. Pin Headers. Silk : LPI printing (Liquid photo imaging)이 높은 해상도를 가짐. With plated through hole, there is a conductive path from one side of the board. limited holes spacing. Manufacturing Capabilities. 4mm Castellated Holes spacing (edge to edge) ≥0. It is also good to note that this circuit is the base design for any ESP32 breakout board, so you can reuse it for your future PCBs. • Half holes. 20mm is acceptable. e. dft files, are user-defined defaults. 7 mm, a pad-to-pad distance of 2. But it is industry standard to just have castellated holes hanging over the pcb outline in your production data. Altium) ﺮﻨﯾاﺰﯾد مﻮﯿﺘﻟآ رد Castellated ﺎﯾ Castle Hole ترﻮﺼﺑ ﺪﭘ زا هدﺎﻔﺘﺳا هﻮﺤﻧ ﻪﺑ ﺐﻠﻄﻣ ﻦﯾا رد . Plated - this option determines whether or not the pad has a plated hole. 2. The IPC Compliant Footprint Wizard is available in Altium Designer as an application extension. The model’s body axis. Copper trace: 6 mil. Important: Make sure your drill files are exported in 2:4 precision and are set to the unit inches. The original parts will have pads on both sides of the board (and Fritzing will happily connect to the pads on the bottom of the board which don’t connect to anything!), believing they are through hole and will connect to the pad on. This gives three potential options for implementing the Raspberry Pi Pico microcontroller in a larger system. 1. The following 3D model formats can be used in Altium Designer: Altium Designer 3D Body Objects - place these to build up the required component shape. Learn More No Yes PCB. The value specifies the diameter of the hole (as a round, square or slotted shape) in mils or mm to be drilled in the via during fabrication. Altium Designer Incorporates Powerful Tools for Connections. To do this, I've places a number of pads on the edge of the board, expecting them to be cut in half during manufacture. Performed trace swapping and cutting modifications on the PCB’s. Dear All, I've reached the point where I wish to export Gerbers for a small board with castellated edges. However, the tutorial only concerns about. Below is a good example, three tooling holes are added on the corners of PCB. . I/Os – 2x 8-pin castellated and through holes for 12 I/Os pins including 4x analog inputs, SPI, I2C,. They are set to the nets they are intended to, but I cannot interactively route to them. PCB manufacturing considerations: A notable example: to make castellated holes or plated half holes, the holes need to either be on the outer edges of the panel (for dip plating processes), or routed (for. PCB Assembly Assemble your PCB boards. View in Altium Designer after all the components have been added. Views 0 Comments. A normal via process applies for developing the castellated holes on the PCBA edge. It'd be a breeze for me to do in Eagle, something like this perhaps, or perhaps with the pads not extending quite so far out. Castellation is a technique used by #PCB manufacturers to achieve efficient board-to-board connections. In Altium Footprint Designer, under File → New → Library → PCB Library. g. For advanced PCBs, the. These specialized features resemble plated. 2mm 13: Minimum isolation ring of Inner layer, The distance between minimum hole in Inner layer and circuit (before compensation) 4L: ≥7MIL: 6MIL≤isolation ring, distance: 7MIL 5MIL≤. Within Altium Designer, a set of advanced snap options can be configured, which will allow the cursor to align or snap to a particular object axis once within a specified range. Any thru-hole pad will do. Are you talking about "Plated half holes(castellated holes)" ? Top. The Board Shape is PCB object that is also referred to as the Board Outline and is essentially a closed polygon. Quality Grade: IPC 6012 Class 2,IPC 6012 Class 3 Plated half-holes or Castellated holes. The“FindAnnularRing_XX. White. However, when I use the Keep Out layer to draw a line around my board for the outline (and therefore through the pads). 60mm. The first thing that you should do in your Altium PCB layout session is to make sure that your polygon preferences are set up. There are some other parameters aside from these three, which. To establish electrical connections, the drilled structures must be plated. You can check the fee when you place an order, like this: 123. It is predominantly used for board-on-board connections, mostly where two printed circuit boards with different technologies are combined. Nano RP2040 Connect. Below is what the above design will look like after the PCB is made. As the process requires extra steps, plated holes on the board edge are a cost-option. The starting sections considered to be IPE for light loads, HEA for medium loads, HEB for heavy loads. Nov 16, 2022Detailed steps for designing castellated boards, including setting dimensions, arranging layers, and aligning holes in Altium Designer and Allegro; Specifications for hole placement, size, solder mask openings, and annular ring width;. The routing toolpath in your panel will pass through the center of the hole, leaving a plated scallop on the board edge that has a pad on the top and bottom of the board. 09 kB, 1602x745 - viewed 379 times. Recommended diameter of stamp hole is 0. The component placement process begins with positioning the parts that had to be strictly placed in an exact location, which are the battery connector, the castellated holes for microcontroller programming, and the button. How to design a castellated board in Altium Designer. e. Castellated Holes vs. Schematic symbols can be created directly in your connected Workspace: Select File » New » Library from the main menus, then in the New Library dialog that opens, select Create Library Content » Symbol from the Workspace region of the dialog. It comprises the board shape with dimensions, location of the drilled holes (drill chart), details of cut-outs, layer stack-up, title block, and. This new process is known as solder reflow, and it doesn’t use the standard pool of molten solder that the wave process uses. ). Surface finishI need to design a pcb with castellated holes, and another with the corresponding pads. BTW the following rules should be followed: - Copper layers (GTL and GBL): Copper pads on both top and bottom copper layers for each castellated hole. Cost-effective solution: By reducing the need for connectors or additional mounting hardware, castellated holes can help to eliminate. 0 Comments Read Now . for the 1. It'd be a breeze for me to do in Eagle, something like this perhaps, or perhaps with the pads not extending quite so far out. Plated Half-Holes, also referred to Castellated Holes, are rows of holes are drilled alongside the boundaries of a rigid printed circuit board (PCB), then to be through plated and milled off half. All holes will be. You’ll also be able to quickly prepare your boards for manufacturing and assembly. To edit an existing component layer pair or mechanical layer, double-click directly on its entry on the View Configuration panel (or right-click on. dft. 54mm gap between the through hole pins, which seems tricky (not even sure if DRC checks will allow it). With every project, I include a handy table in my Draftsman PCB manufacturing documents. For example, when PCB modules like Bluetooth or Wi-Fi need to be. Step 1. Rockchip-RK3568-CPU-module-castellated-holes-720×382. You want additional options such as edge plating, press-fit holes, via-in-pad, castellated holes, or carbon Mask. About this tutorial AISLER understands many Gerber file dialects. Additional applications are display, HF or ceramic modules which are. The hole diameter is usually larger than PTH. Allegro Constraint Compiler (ACC) has many Object table enhancements for selecting objects beyond pins and nets. I believe the Keep-Out Layer is absolute; you can set distance to it, all the way down to zero, but any overlap is absolutely prohibited. The number and width of the spokes in a thermal relief pad should be based on the power. 5mm circular pad with a 0. • Holes with small leads for connectors. 005in of the nominal diameter. I know that the usual way of doing solder-down PCBs is to use castellated holes, but at a 20mil pitch that looks like. These specialized features resemble plated. 20mm is. 5mm in diameter with space between hole edges to be at least 0. The manufacturing of Castellated steel beams and web holes was performed by cutting web rolled hot steel channel beam longitudinally in a zigzag path along to centerline, as shown in Figure 2. Steps to Design Castellated Holes in PCBs using #Altium Designer and #Allegro Castellated holes in PCBs establish reliable board-to-board connections. The options are designed to offer a choice between full and limited detail in order to speed up the export process and reduce file size. Contents. Thus, for a Faraday cage to prevent this noise. 75:1 and for a through-hole via, it is 10:1. USB – USB Type-C port for power, data, and programming. It's referred to as "half-holes" and usually involves an extra manufacturing step. They can also be offset so that instead of a perfect semi-circle they appear as a small or larger portion of a broken circle. To ensure the board quality, “4-Wire Kelvin Test” and “FR4 Tg155. To place a board in the sized panel, navigate to ‘Place’ > ‘Embedded Board Array/Panelize’ which will present you with a blank rectangle and some crosshairs. Table 7. Tips A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers, and are commonly used in printed circuit boards (PCB). To do this, I've places a number of pads on the edge of the board, expecting them to be cut in half during manufacture. ENIG has become the most popular surface finish in the industry as it offers flat surface, lead free and RoHS compliant, longer shelf life, and tighter tolerances can be held for plated holes. In the first method, designers can place them as half-holes along the edges along with an attached pad. The holes, since on the edge of the daughter PCB, do not use up much valuable space (you normally have to have a componenttrack clearance around the edge of the board anyway) Because the half-holes are plated and of a concave shape, they are very suitable for soldering. Hole size Tolerance (Non-Plated) ±0. SnapMagic Search is a free library of symbols & footprints for the Arduino Nano by Arduino and for millions of electronic components. Step. This can also occur when the temperature is outside the ideal soldering range, which results in poor wetting, or. I wish I had solidworks so I could try some things out. File Requirements: In order to insure that you receive PCBs that meet your needs and expectations the following is a list of the files that we need to process your order efficiently and correctly. A tin-plated PCB can have a thin layer of copper with a surface coating of anti-corrosion tin. Below are template files for Altium. To create the new script form, right-click on the project name from the Projects panel, choose the Add New to Project option, and select Script Form. 00mm Non-Plated hole, the finished hole size between 0. « Reply #3 on: October 09, 2015, 02:23:17 pm ». This wizard uses templates to generate compliant footprints for your components and saves a huge amount of time compared to creating a component manually. Pls find below picture for other correct design,thanks. For a new PCB, this will be a simple two-layer board. The specified design of these holes – which make PCBs look more like cartoon cheese with incomplete, broken circles at the edges – offers the best alignment between. These specialized features resemble plated. ALTIUM DESIGNER. How to generate Gerber files from DesignSpark. Choose from Drilled, Punched, Laser Drilled, or Plasma Drilled. Gerber X2. When you create a new PCB document, it is the black area with the visible grid showing inside (assuming the grid is coarse enough to see at the. bask185:Resources PCB Design Hunter Scott on Castellated Modules. Let us see the steps involved in designing a castellated board with a finished hole of 0. 5mm / 2. Altium Castellated Holes How To Draw Plated; In the EDA Tool Eagle this is generated from the Dimension layer 20. dspic; arduino; lập trình c; nhẬn thiẾt kẾ ĐiỆn tỬ; donate us; hardware opensource. This appears to be one downside of using KO for board outlines/cutouts. Altium Castellated Holes Download Camtasia Windows 7 32 Bit Plexus After Effecys All Slowdive Songs Windows 95 Theme For Windows 7. png. Subtracting 32 mils from this results in a web width or trace routing channel width of 7. 5mm-0. 03 PCBA THK PCB EDGE 1 A A B B C C D D 4 4 3 3 2 2 1 1 Edge-Connect, 10 Pin B SHEET 2 OF 2 PART NO. 1 represents the design variables and the cost of the castellated beam with 4 m span obtained by two meta-heuristic methods. 6mm. Thus, half of the plated hole will be on the board, and the other half will be outside. Nano 33 IoT. Surface mount pads work well, but through. 1mm 0. With. Parameter. Many tutorials on castellated half-holes are for designing the half-holes themselves (OSH Park, and Danny Staple's question). 37 mils. A pad named r155_125 is a rectangular surface mount pad, of size 1. Castellated holes are used on small modules as an alternative to pin-header mounting. The first thing we’ll do in Altium is to create a new schematic library by going to File -> New -> Library -> Schematic Library. Part-to-hole spacing should be considered for both vias and through-hole components. A: To alleviate any aesthetic (3D view) or communication concerns with your PCB manufacturer, simply modify the size and shape of the round hole generated by SnapEDA to be a slot. Generate Gerber files in Eagle. Pads, vias, tracks, arcs, fills, regions, and text are all available objects that can be enabled for these tasks. 1,902. Used as component hole for welding DIP components, the hole diameter must be larger than the pin of the component, so that the component can be. 8 to 1. Aug 7, 2023. Castellated holes are a simple method for placing SMD modules on a carrier PCB. No available layer stackup for the currently selected specs, please change the PCB thickness or copper weight. 27 mm being. Castellated beams are fabricated by using a computer operated cutting torch to cut a zigzag pattern along the web of a wide-flange section. The design equations determine both global and local forces acting on castellated beams as well as unique design strength calculations. There are many ways to make a Castellated Pad in Altium. 0mm hole. They are manufactured by creating ordinary plated holes and then running a sharp router bit across them, leaving half the hole in place. Electrical object spacing in Altium Designer and Allegro. Otherwise they might not come back edge plated. – DKNguyen. When incorporating castellated holes in PCB design, it is advisable to adhere to certain recommended specifications:. 3) Draw the cutoff circle on the right (using circles and lines). To enable the features needed to design a rigid-flex board, open the Tools » Features sub-menu or click the Features button () to select either the Rigid-Flex command, or the Rigid-Flex (Advanced) command. Plating Finish : leaded or lead-free HASL (Hot Air Solder Leveling) vs ENIG (Electroless nickel immersion gold) plating. Castellated holes are a simple method for placing SMD modules on a carrier PCB. PCB Remark. Castellated PCBs, also called half-holes or plated half-holes, are specialized Pboards with plated edges that. By default, the software links to a used TrueType font (they are not stored in the. Source: DIGI Xbee Pro XB8X on Digi-Key The castellated footprint is really just a bunch of PTH that we position on the board edge. Right-clicking on an object in the list and selecting Properties (or double-clicking on the entry directly) will open the matching. Cheers, Srinijg. 00. A altium_lib_db Project information Project information Activity Labels Members Repository Repository Files Commits Branches Tags Contributor statistics Graph Compare revisions Locked files Issues 3 Issues 3 List Boards Service Desk Milestones Requirements Merge requests 57 Merge requests 57 Deployments Deployments Releases Packages and. 5mm. Source: DIGI Xbee Pro XB8X on Digi-KeyThe castellated footprint is really just a bunch of PTH that we position on the board edge. These silver holes are most commonly found on the edge of the circuit board. Move the cursor 350 mils inside the circle to begin drawing the inner diameter. Altium Castellated Holes Code Stickers Called; Altium Castellated Holes Update From Library; Through directly connecting the PCBs together, the whole system is considerably thinner than a comparable connection with multi-pin connectors. Your data should clearly show the holes and the profile. Here’s how you can design castellated edges. 1" pitch, centers spaced at 0. The solder should melt, and you will end up with a little mound of solder on top of the pad. defects may highly occur: unplated holes, incomplete plating, hole with copper residues etc. The process for how to convert a schematic to a PCB layout in Altium Designer follows three simple steps: Step 1: Preparing to Synchronize the Design. the drilling occurs after the etching, lamination, drilling, and thru-hole plating. g. 5 * a0 is assumedTo create a new export option for Gerber X2 files, right-click in the 'Fabrication Outputs' area and select the Gerber X2 entry. 6mm. 0mm or 1. Changing the hole type (from round to square) for the selected group of six matching hole styles. There is no default hole tolerance value in Altium Designer. 5 mm with 0. Min via hole size/diameter. Note that the minimum distance between two castellations should not be lower than 0. This tutorial is a catch-all for all other PCB Design tools. Hole Size – this field displays the current hole size for the via. 5mm After all values have been specified,. Test castellations installed in a more conventional role. You may have seen some. The panel sections show the cumulative filtering applied to hole types, styles and status. Notes for Gerber files Generated from Eagle 9. PCB Trace and. It's how Altium counts a top or bottom layer surface mount pad with no hole. half plated holes. 8 0. High quality quick turn PCB Services In this video I will take you through the process of designing and manufacturing a custom printed. Castellated holes are extensively used in the printed circuit board (PCB) design process. Online Documentation for Altium Products. Thanks for comments, if this is a really bad idea. This PCB has plated through slots. Case 1: Low Current DC, No Galvanic Isolation. You need to check with the PCB vendor as to their specifications. Exports to OrCAD, Allegro, Altium, PADS, Eagle, KiCad, Diptrace & Pulsonix. Type the name Multivibrator in the File Name fieldand click Save. Bittele’s requirement is 125 mil part-to-board edge spacing for the top side of the PCB. On castellated holes designs like this, the edges will be cut off. These are plated holes cut through on the board edge and used to join two PCBs either by direct soldering or via a connector. There are two footprints for Teensy 3. In terms of design, castellated holes are developed in different styles, such as. Re: castellated slots in altium. This will add a new PCB component footprint library to your project. Castellations— or castellated edges, plated holes on the board’s edge, plated half-holes — are rampart-like structures along the edges of a printed circuit board. 0xdeadbeef Posts: 60 Joined: 23 Jun 2013, 09:20. Therefore the plated half-holes can be milled precisely what strongly improves the process reliability. Also, the castellated holes diameter for advanced circuit boards should be smaller. From there select “Polygon” and the. Share. Your particular CAD platform will have various checks and tests that can be performed on the finished PCB design. The tracks won't lock to the castellated pads: @placebo0311 is using Altium to design a board, he needs the symbols for the Nano Every, which has 15 pins, 0. Castellated holes are plated half-holes located on the edge of a PCB. 60mm. Draftsman is a built-in extension that can be installed or removed manually by going to the Extensions and Updates page. Castellated holes appear on the edge of PCBs typically as plated half holes. Altium DesignerThrough-hole technology, also spelled "thru-hole" are holes that go completely through the boards. So for example, the template for a 1. Gerber File Extention from Different Software. Here’s how to design a PCB module with castellated holes. So for example, the template for a 1. Predesign charts of castellated beams Composite ACB® (charts 10 to 15) This chart has been developed for steel grades S355 and S460 and normal concrete class C30/37. The inside corners are rounded and the edge of the PCB is cut to the middle of the border line. Bridging is common in low-viscosity solders and causes a short between adjacent pads. Here’s how: 1. 5mm) Drill hole size tolerance. Castellated Holes vs. Altium Designer World’s Most Popular PCB Design Software; Altium NEXUS. Cite. Mouse Bites are a line of tiny holes in a PCB board just like the holes around postage stamps, permitting small PCBs to be used in an array. Even before you design your board, you can breadboard your design with through-hole technology. Carrier PCB size - The carrier should only be as large as needed to fit onto the existing land pattern. Boards with castellated holes tend to be modules like Wi-Fi modules and the. Designing a printed circuit board needs different considerations to make a successful and reliable electronic product. Always utilize the bottom and top edge as the hole’s location. The copper layer inside the castellated holes is then exposed. mariusmym 2 years ago. Here’s how:. Commonly used software are Altium Designer, Eagle, and KiCad. Plating portions of the edges is a different process from simply chopping through the plated holes, and may require some additional information to be passed to the supplier. It could be a SMT pad or a through hole pad. This is ample room for a 5 or 6 mil trace. This option is slower and increases the size of the exported file. The minimum distance between two castellated holes should be no less than 0. 00mm Plated hole, the finished hole . TrueType fonts offer full Unicode support. Summary. This can be done by drawing a line across.