Electronics Forum: check (Page 491 of 634)

Soldermask thickness

Electronics Forum | Mon Oct 06 12:37:18 EDT 2003 | ramanandkini

It was a nice discussion. What I did here was a thermal shock test 1 hour@ +90 deg.c and immediately 1 hour @ -40 deg.c. The second test I did was a high humudity test for a week. After each test, I carried out a peel test with scotch tape. Those bo

Siemens 0402 placement

Electronics Forum | Wed Oct 29 14:58:51 EST 2003 | stockley

It's been a while since we placed a lot of 0402s, and I'm a bit out in the woods anyway so you ought to log on to http://www.siplace.com and get yourself a username and pasword so you'll have access to their DMS (documents system). I just did a quic

Specific Gravity

Electronics Forum | Tue Nov 04 17:08:04 EST 2003 | davef

We have this in our hydrometer use notes. We assume it's from our hydrometer supplier. Temperature Correction All hydrometer readings must be corrected from the temperature they were read at, to the temperature the hydrometer was designed for. Mo

Problem with Siemens HS180

Electronics Forum | Sat Nov 22 18:51:14 EST 2003 | lkavan

So, I have a documentation and service manulal for HS180 now. I checked HPIB addresses, it is all right. But I found, that I cannot edit whole config and machine data. In manual is written, that all datas you can edit during first instalation only. I

No-Lead solder defect - No solder on pads

Electronics Forum | Tue Dec 23 11:55:37 EST 2003 | Marc Simmel

Details, details: 1) The metal shell is part of the component body. The base metal is austenitic stainless steel (304) that has been plated with 90/10 tin-lead over nickel (semi-bright). 2) The entire part (leads and shell) is elevated by the mass o

contact c5

Electronics Forum | Mon Jan 05 11:12:16 EST 2004 | gregp

Barney, Please tell me who it is that told you this customer cannot get support. Certainly it is not the customer himself. We have been at this customer with top level engineers at the drop of a hat from day one. As for the C7 it is part of the new

Chip Components with big ground pads - Unsolder

Electronics Forum | Mon Jan 26 03:45:37 EST 2004 | Vinny

Hi All, We are producing a veriety of RF related PCBAs in which we see Unsolder/Mislaigned on a regular basis. In these baords usually one of the pad is connected to a signal trace and the other pad is connected to very huge ground plane. This gro

Hollis PT500 system software Q.

Electronics Forum | Tue Jan 27 03:59:51 EST 2004 | KevC

Hi lads, Can anyone tell me a bit about PT500 application software? I recently had to replace the Hard drive in the host PC for our wave. I re-loaded the system software and re-configured. One thing I noticed however is in the "Calibrate T/C's" opti

Meridian/Mirae MPS-1025

Electronics Forum | Fri Mar 05 08:47:32 EST 2004 | Ian White

Hi I work for tyco in Uk and have worked with Both 1030 and 1025 machines. The 1025 is the latest version of Mirae machines and the main diffeerence is that the machine is supplied with Linear Motors providing faster X,Y movement and more repeatable

Problem dynapert mps318

Electronics Forum | Mon Mar 08 04:52:25 EST 2004 | martin

Hello i have some problem with our dynapert. Wonder if you could give me some advise. The problem is our machine worked not so well so we started to take out one by one of the cards and check all ic's so they was properly inserted. But when we ca


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