Electronics Forum: 1

Aperature opening for epoxy printing

Electronics Forum | Fri Aug 06 03:51:06 EDT 1999 | Thomas

Could someone give recommendation on the stencil opening for printing epoxy on HAL FR4 PCB for 0805 and 0603 size chips capacitors and resisitors. My regular stencil manufacturer recommend the following: Thickness: 8 mils 0805 opening: Oblong 0.35 X

Air Bath Rework System

Electronics Forum | Fri Jul 16 20:17:15 EDT 2004 | cisridn

Hello! I am an Electrical Technician with Filtronic Comtek. I am responsible for all of the Engineering changes and rework done to prototype and pilot run PCB's. My current rework equipment includes: Soldering irons, heat gun, and hot plate. Consid

SMT tape boards!

Electronics Forum | Tue Oct 25 08:17:12 EDT 2005 | Rob

Also we get data from customers in all forms, and sometimes, just sometimes it doesn't match the current iteration of board, and when you have 600 passives with a combined value $1.50 it can save a huge amount of money & time trying to trace the prob

high speed PCB frequency range

Electronics Forum | Sat Jun 11 07:58:17 EDT 2016 | davef

IPC-2252 - Design Guide for RF/Microwave Circuit Boards IPC-2251 - Design Guide for the Packaging of High Speed Electronic Circuits IPC-2141A - Design Guide for High-Speed Controlled Impedance Circuit Boards IPC design standards https://portal.ip

Gold plated board, with csp's and 0603 with no clean apetures

Electronics Forum | Thu Sep 26 11:44:23 EDT 2002 | abelardo

Hello everyone out there in the SMT world. I have a dilema I'm currently running a board that has 3 csp's with a .75 mm. ball pitch and .3mm ball size. And 2 qfp's-160. The stencil is 4 mils thick and I'm using a 63/37 solder paste. My reflow prof

Re: Aperature opening for epoxy printing

Electronics Forum | Sat Aug 07 11:10:03 EDT 1999 | JohnW

Could someone give recommendation on the stencil opening for printing epoxy on HAL FR4 PCB for 0805 and 0603 size chips capacitors and resisitors. My regular stencil manufacturer recommend the following: Thickness: 8 mils 0805 opening: Oblong

Re: Dross Skimmin'

Electronics Forum | Wed Dec 09 14:33:02 EST 1998 | Dave F

1. What is your minimum dross generated that triggers you to procure an SRS? Your finance department probably has guidelines for the pay back of capital investments. Some companies use period of time to break-even. Others use a net present value

Hand Solderers

Electronics Forum | Tue Dec 19 21:33:47 EST 2006 | davef

Job Agencies Adecco 6406 N. IH 35, #1202 Austin, TX 78752 512-794-2944 � tech360@adeccona.com http://www.adeccotechnical.co Aerotek (aka TEKsystems) 12331 Riata Trace Parkway, Bldg 3, #A200 Austin, TX 78727 512-249-4900 � http://www.teksystems.co

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