Electronics Forum: 10 (Page 1406 of 1926)

Removing Markings from Devices

Electronics Forum | Wed Apr 30 10:43:28 EDT 2008 | dyoungquist

This runs up a big caution flag in my mind! Counterfiet parts are often produced by removing the original markings and remarking the ICs with different part and lot numbers. I am not accusing you of this BUT we have recently been bit by counterfei

Removing Markings from Devices

Electronics Forum | Mon May 05 19:45:39 EDT 2008 | hegemon

Yep, many of us have seen this firsthand. I had a customer who fouled up a job, then "found" a deal on some (10) very expensive Xylinx parts, and badly needed these parts to complete the job. Everything looked good afterwards, but nothing worked. X

Leaded and Lead Free BGA's on hte same board

Electronics Forum | Wed Apr 30 12:26:10 EDT 2008 | dphilbrick

There must be discussions about this on SMTnet but I have yet to find them. I would like to hear from all you smart people about running LF and PB BGA�s on the same board using 63/37 solder. If you run your profile up to peak at around 225C +/- (nitr

RNETs and Lead Free

Electronics Forum | Wed May 07 10:15:46 EDT 2008 | llaerum

We are also having some issues with certain small parts. In our case this is tantalum caps and 0402 caps. We had a vendor admit after much discussion that the plating used from a particular orgin was different on the tantalums. The tehory is thatthsi

Xray leakage testing equipment

Electronics Forum | Sat May 10 11:17:14 EDT 2008 | fishingfool

RDR, If you buy a meter you have to send it in once a year to get calibrated at a certified calibration lab. Can be expensive. If you use one that is not certified, and something happens your company will be legally responsible. Major risk. Go

Board wave soldering

Electronics Forum | Tue May 20 03:21:05 EDT 2008 | grayman

I sell wave solder optimizer in Philippines. I have sold many of this optimizer system. It cost less than US$10K. Most of my customer is happy with the performance except for some issues from customers like LCD not yet colored, uses RS232, upgrades

Where is the best country to set up Manufacturing factory

Electronics Forum | Wed May 21 00:28:42 EDT 2008 | grayman

Hello, My Friend from USA wants to set up new factory for SMT production (expansion line). Currently, he has production lines in the USA (10 lines with testing). Initially, he will set up 3 lines to produce power supply like AVR and UPS. He doesn't

The $38 Billion Blunder

Electronics Forum | Wed May 28 10:33:29 EDT 2008 | patrickbruneel

Chunks, If you ever come across such a report please let me know. As you already know RoHS (lead free) was not based on any scientific evidence that lead in electronics was bad for health or environment. WEEE would have been the right way to go �enc

Peak Temperature during Leadfree reflow

Electronics Forum | Wed May 28 08:46:39 EDT 2008 | ck_the_flip

I've talked to several Applications Engineers and Chemists from a couple of different paste manufacturers and they confirm that the profiles on their data sheets are nothing but guidelines. It's up to you, Process Engineer or Process Tech, to develo

Board Fiducials

Electronics Forum | Thu Jun 05 21:59:22 EDT 2008 | mika

bsumfg, The very best anybody said lately!! This should go straight into the the manual! I totally agree with you; Just an add: The fid's should never be mistaken for a test point who normally is between 1.0 - 1.27 mm so make the fids 1.5 mm. round


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