Electronics Forum: bad board mark (Page 2 of 133)

Re: fiducial mark placement

Electronics Forum | Sat Dec 11 11:01:11 EST 1999 | Mark W.

In answer to your question no. Fiducials should always be as far apart from each other in both directions (X,Y) as possible. This will allow ANY placement machine to calculate the EXACT location and rotation of the PCB, and therefore correct the moun

Burr Brown ICs bad solderability

Electronics Forum | Tue Nov 18 07:22:56 EST 2008 | wewilldoit

Hi folks! TI told us that we are the only one with the following problem... We discovered a really bad wetting characteristic of some SMD ICs from BurrBrown. At the moment: XTR106 / INA118 / ADS7844. After the reflow process we found out that this pa

Burr Brown ICs bad solderability

Electronics Forum | Wed Nov 26 13:31:40 EST 2008 | stepheniii

I don't know why they use it. I just know I read a TI white paper that said the problem wasn't their fault even though they knew that paladium made the parts hard to solder. And once when I started a new job one of the guys said that the owner had

Mirtec AOI - bad OCR result

Electronics Forum | Wed Apr 25 19:19:42 EDT 2012 | padawanlinuxero

Hi is me again If what you are looking is for the AOI to "see" the marking on a resistor theres the option of taking a picture of only the numbers in the resistor is not highly accurate but it works.

Mirtec AOI - bad OCR result

Electronics Forum | Tue Apr 24 09:30:43 EDT 2012 | bdamico

Hello Laritzstange, My name is Brian D'Amico, I am the president of MIRTEC USA. I noticed your posting on this forum and I would like to offer some guidance. First, I would like to ask which system you have. Our MV-7 system is an in-line system.

a hot tip for bad boards

Electronics Forum | Thu Apr 11 15:14:38 EDT 2013 | ericrr

JUKI KE-750L, A professional service person is coming next week, to fix a small list of items.

SMT chip processing short-circuit bad phenomenon

Electronics Forum | Thu Oct 27 06:36:33 EDT 2022 | richardcargill

The PCB needs to have a flat finish to the pads too - HASL finished boards don't work well with fine pitched ICs/QFNs etc

SMT chip processing short-circuit bad phenomenon

Electronics Forum | Thu Oct 27 20:46:35 EDT 2022 | emeto

Also solder paste type, optimized printer parameters suitable for this paste, correct apertures design on the stencil, stencil thickness, proper AAR, mounting accuracy and placement profile, oven profile, board thickness and a few other.

Mydata Hydra tool reference mark error

Electronics Forum | Mon May 06 11:16:07 EDT 2013 | rdubya

if you don't have anything obstructing the camera then it sounds like it could be the camera power supply going bad. what version of tpsys are you running?

Solder printing issues

Electronics Forum | Sat Nov 23 11:34:52 EST 2002 | mark

There is some superb tooling offered by a company called Transiton Automation, http://www.board-lok.com. There are some different choices, full molded tooing ... a service,... and re-usable fine grid pin array tooling.


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