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Substrate & PCB Design

Miniaturization of components and increasing of signal speeds on all kinds of circuits has been governed as much by the ability of reliable printed circuit board (PCB) fabrication and manufacturing technology as it has been by the ability to produce the small components. Accuracy of layer registration, controlling substrate layer thicknesses for impedance, constructing dependable buried vias, and generating solder masks that guarantee components will self-align without allowing solder bridging or component tombstoning have all been significant challenges.

Simple circuits can still be handled with decades old layout and construction techniques, but if you are beyond that level, then some serious learning needs to be done for adopting best practices that will help assure first-pass success. These resources will help you get there with a minimum of pain. In many cases, PCB companies can turn your schematics into a finished PCB, and often can carry it into production. Please consider RF Cafe advertisers first when investigating services.

Substrate & PCB Fabrication & Assembly Vendor Page          PCB Design Books
 
Click to visit the 3Gmetalworx website3Gmetalworx
Concord, Ontario
888-965-3634

3Gmetalworx PCB shieldSince 1994, leading wireless electronics companies have relied on 3Gmetalworx to deliver cutting edge solutions for advanced RF/EMI PCB-level shielding requirements. From prototyping and design services to JIT manufacturing supply, our clients depend on us to provide a seamless service pathway supporting entire product lifecycle. RoHS / WEE Compliant.
All our shields can incorporate these features, as well as your custom needs: ▪ Engagement Tabs
▪ Trace/Component Relief
▪ Tuning/Access Openings
▪ Thermal Relief
3gmetalworx shieldBasic Shielding Cans
  Meant for permanent installation
3gmetalworx shield & coverSingle-Cavity Shield Sets
  Cover can be removed and re-installed
3gmetalworx multicavity shieldMulti-Cavity Shield Sets
  Cover can be removed and re-installed
Tin Plated Mild Steel for indoor or economical commercial applications.

Nickel Silver Alloy for outdoor, marine, avionic or defense applications.


Circuit Board Design and Making | epanorama.net/links/basics.html#pcb
From Epanorama.net.

Circuit Board Repair and Rework Guide | circuittechctr.com/guides/guides.shtml
A comprehensive resource for circuit board rework and repair.

Controlling the Growth of Nanotubes through Substrate Design | pa.msu.edu/cmp/csc/NANOTUBE-99/abstracts/39.html
Abstract by Jun Li, Institute of Materials Research & Engineering, Singapore.

Customized Substrates Complement Devices | reed-electronics.com/semiconductor/article/CA630268?pubdate=8/1/05
Article from Reed Electronics Group, by André-Jacques Auberton-Hervé.

Design Guidelines | aptagroup.com/design.htm
Intent and Scope: To establish working parameters and design standards for the optimal layout of circuits for fabrication and assembly at APTA Group, Inc.

Effects of Substrate Design on Underfill Voiding Using The Low Cost, High Throughput Flip Chip Assembly Process And No-Flow Underfill Materials | ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1021635
Abstract by Milner, D. Paydenkar, C. and Baldwin, D.F.

Electro-Photonics | electro-photonics.com
772-485-0927 | Palm City, FL
SMT hybrid couplers, wire bondable passive components, coaxial products, test fixtures and very useful test boards for evaluating components.

Engineered Substrates Yield High Stability | mwrf.com/Articles/ArticleID/6650/6650.html
Article from Microwaves & RF, by Jack Browne.

Fast Cycle Programmable High Density Electronics: Known Good Die, Multi-Chip Modules, Programmable Logic and Substrates | misspiggy.gsfc.nasa.gov/tva/jpdoc/kgd
Abstract by Richard Katz and Jeannette Plante.

Merlin PCB Designer | falco-systems.com/MerliPCB.html
Shareware version 2.1 for CorelDRAW.

MIL-STD-275E | dscc.dla.mil/Downloads/MilSpec/Docs/MIL-STD-275/std275.pdf
Printed Wiring for Electronics Equipment
The original source for PCB trace fusing currents, temperature rise, etc.

PCB Design Analysis Software Guidelines | radioing.com/eengineer/soft-guide.html
HyperLynx Applications from RADIOING.com.

PCB Design Guidelines | advancedmsinc.com/guidelines.htm
From Advanced Microcomputer Systems, Inc.
Please click here to visit the PCB Material World websitePCB Material World
Schaumburg, IL
Tel: 847-809-2757
Fax: 847-963-8045
   We buy surplus, obsolete, and offcut
   RF Copper Clad Laminates.
 PCB Material World is an independent
 distributor and market maker of PCB raw
 materials. We buy and sell PCB raw materials
 such as Copper Clad Laminates, Copper Foil,
 Drill Backer and Entry, among other items.
 We specialize in exotic and hard to find copper
 clad laminates and other materials including:
 • Duroid® • GETEK® • Kapton® Flex
 • CEM-1 • GIL Technologies • Copper Foils
 • CEM-3 • Arlon • Thin Core FR-4
 • FR-4 • RF Laminates • BT Epoxy
 • Taconic • Heavy Coppers • Metal Backed
 • Aramid • Polyimide • Other Materials
 Visit our website to search our online inventory
 database or download a PDF copy of our
 inventory. We serve hobbyists, universities,
 R&D Labs, and quick turn and volume industrial
 manufacturers.

PCB Design Guidelines | hottconsultants.com/pdf_files/pcb_guide.pdf
From Henry Ott Consultants.

PCB Design Guidelines | pcbdesignandfab.com/guidelines.htm
From PCB Design & Fab.

PCB Design | pcbdesign.org
The Internet's ultimate resource offer a PCB design guide to help you get started today with your first printed circuit board design. PCB Design can be frustrating, time consuming, and very difficult to figure out where to start. We've broken PCB design into 3 sections: schematic capture, PCB footprints, and PCB-layout. Our PCB design guide will also help you figure out which is the best PCB design software to use, whether your project is a hobby or a commercial product. If you've run out of time and looking for a PCB design service we can also help you navigate that process.

PCB Design Guidelines that Maximize the Performance of TVS Diodes | onsemi.com/pub/Collateral/AND8232-D.PDF
Prepared by: Jim Lepkowski ON Semiconductor.

PCB Design Information | pcb-designer.com
Useful information for designing general-use printed circuit boards.

PCB Land Pattern Design and Surface Mount Guidelines for QFN (MLFP) Packages | intersil.com/data/tb/TB389.pdf
Technical Brief from Intersil, by Jim Benson, Mark Kwoka, and Ray Claudio.

PCB Layout | smps.us/layout.html
Basic Printed Circuit Board design guidelines for SMPS switching power supplies, by Lazar Rozenblat.

PCB Layout Guidelines and Tips for a Successful Layout | pdcamerica.com/guidelines.htm
From Prime Design Consulting.

PCB: Printed Circuit Board Editor | pcb.gpleda.org/index.html
An interactive printed circuit board editor for the X11 window system.

Resistive Products Model HDI | vishay.com/docs/49116/pt9057.pdf
Thin Film, High-Density Interconnects Product Sheet from Vishay Electro-Films.

Reviewing the Basics of Microstrip Lines | ansys.com/industries/mems/mems-downloads/maloratsky_micostrip.pdf
An understanding of the fundamentals of microstrip transmission lines can guide high frequency designers in the proper application of this venerable circuit technology, March 2000, Microwaves & RF.

Substrate Design Guidelines Single Layer | vishay.com/docs/61056/hdising.pdf
Datasheet from Vishay Electro-Films.

Thick and Thin Film Lasered Substrates | coorstek.com/resources/dg/8510-1081LaseredSubstrates.pdf
Technical specification from CoorsTek.

Thermal Analysis, Fusing Current | pcbwizards.com/thermal.htm
Fusing current charts, links to DoD specs, many other resources. PCB Wizards website.

Trace Fusing Current, Temp Rise, etc. | ultracad.com/article_temperature.htm
Lots of good downloadable files here on the UltraCAD website.

Virtex-4 PCB Designer's Guide | xilinx.com/bvdocs/userguides/ug072.pdf
From Xilinx, Inc.
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