Electronics Forum: precision manufacturing (Page 6 of 7)

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 16:41:44 EDT 2009 | pcbcleaning

Advanced Cleaning Solutions is a Johnstown, PA based electronic manufacturing service provider (EMS) with more than 3,500 square feet of ESD safe facilities. Our services include precision PCB cleaning and ionic cleanliness testing/verification usin

Clear plastic SMT tapes - what plastic grade for recycling

Electronics Forum | Wed Oct 15 15:52:36 EDT 2014 | davef

VTEK says …” Carrier tapes are made from three primary materials. (All are manufactured in accordance with EIA standards) 1 Polycarbonate is a black plastic material with excellent impact strength. It is used primarily for bare die and small form fac

Re: shield placement?

Electronics Forum | Thu Apr 29 13:33:13 EDT 1999 | KEVIN SIMPSON

| | | Hi everyone, | | | We started our first machine placed shield test today.We will be machine placing shields with in the next two months. I used a Fuji Qp242 today. There were no problems with pickup etc,. just vision errors. I'm sure we will

PTH Hand Soldering and Rework Training

Electronics Forum | Tue Jan 14 20:32:41 EST 2003 | davef

There's just about 4 beezillion companies that give solder training. Some are: * BEST Rolling Meadows, IL 847-797-9250 Bill Westmoreland (bwestmoreland@solder.net) http://www.solder.net/ * Circuit Technology 340 Raleigh St Holly Springs, NC 27540 (

Entry-Level PnP + BGA?

Electronics Forum | Sun Jul 28 16:11:40 EDT 2013 | jfs

Greetings! I run a small CM company in the > Midwest. We built our business on THT production > for the boutique music products industry and are > currently planning our launch of a > low-volume/high-mix SMT line to support the > growth of our

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 06:01:12 EDT 1999 | Earl Moon

| | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a re

Re: RF applications..aqueos vs. no clean..HELP!!!!

Electronics Forum | Thu Mar 25 19:29:07 EST 1999 | Graham Naisbitt

| | Hi, | | I have a customer who's electronic assemblies produce RF. He is insisting upon aqueuos cleaning. We switched to a no clean solder years ago and no longer have an aqueous system. | | Is aqueous cleaning necessary to eliminate 'cross ta

Re: RF applications..aqueos vs. no clean..HELP!!!!

Electronics Forum | Mon Mar 29 19:31:29 EST 1999 | Scott McKee

| | | Hi, | | | I have a customer who's electronic assemblies produce RF. He is insisting upon aqueuos cleaning. We switched to a no clean solder years ago and no longer have an aqueous system. | | | Is aqueous cleaning necessary to eliminate 'cr

Re: Suspect BGAs

Electronics Forum | Tue Mar 16 18:27:34 EST 1999 | Earl Moon

| We are having a small number (~2%) of our boards pass our manufacturing diagnostics, fail once they reach the customer, fail when they get back to us and then start working again after handling them for a short time. We have eliminated a lot of it

Cleanliness test

Electronics Forum | Thu Jan 02 11:35:30 EST 2003 | Richard

Cleanliness test � �Area Grid Arrays�. Evaluation of residues� resistivity in a specific location on the board. (As compared to �Solvent Extract� evaluation.) We are: SMT assembly, using standard �water soluble� process with micro BGAs (example: C


precision manufacturing searches for Companies, Equipment, Machines, Suppliers & Information

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