Electronics Forum: electronics (Page 1459 of 7900)

BGA and Land Patterns

Electronics Forum | Tue Apr 27 12:32:53 EDT 1999 | Frank Hinojos

What is the current spec for sizing PCB pads for a land grid array? How about for a ball grid array? Are there industry spec's I can reference? Thanks, Frank

Tape and Reel services

Electronics Forum | Tue Apr 27 11:17:01 EDT 1999 | Ben Wilmot

Looking for a uk based company to tape and reel smt filters (small batch job). Any contacts appreciated. Thanks Ben

stencil fixture

Electronics Forum | Tue Apr 27 08:13:28 EDT 1999 | wayne sanita

i am trying to design a stencil fixture for manual printing. has anyone done this before or has an idea? thanks

sub heatsinks

Electronics Forum | Tue Apr 27 06:35:33 EDT 1999 | Dan

Using moss fets attached to sub heatsink and hard coat anodizing sub heatsink at higher cost and erratic performance. Looking for thermal tape, insulator to replace hard coat that will prevent shorting.

bga's-with/without solderpaste????

Electronics Forum | Mon Apr 26 23:24:44 EDT 1999 | D Clement

Which is the preferred method for soldering a bga, adding solder paste or not? Solderpaste manufacturers say to add solder while the rework station manufacturer's say it's not necessary.

Re: Thoughts on APE SNIPER

Electronics Forum | Tue Apr 27 14:55:37 EDT 1999 | Tony

| Has anyone used the APE SNIPER rework station for BGA packages? | I have not used it, but I have used the SRT and Conceptronics Freedom 2000 rework stations. Both are really good BGA rework stations.. Thanks

Lead free solders

Electronics Forum | Sun Apr 25 17:36:45 EDT 1999 | Mohammad Yunus

Hi, Im doing some experiments and studies on lead free solders ( any alloys).I would like to get some information on a few lead free solder paste manufacturers and if possible their web page adress and contacts. Thanx in anticipation yunus

Bench marking Wave Solder

Electronics Forum | Fri Apr 23 12:59:18 EDT 1999 | Upinder Singh

Hi everybody, I would like to bench mark the quality out of our wave soldering m/c as far as DPPM levels are concerned. Can somebody provide me with some figures at their site or anywhere else for the same. Thanks Upinder ======

Paste-in-Hole

Electronics Forum | Thu Apr 22 16:15:17 EDT 1999 | Chris Jackson

I need to know if there are any special component pad designs that need to be considered when evaluating paste-in-hole? We have a few through hole connectors that are good candidates to place pre reflow. Does anyone have sugguestions. Thanks Chris

Depanelization for PCMCIA

Electronics Forum | Thu Apr 22 15:24:40 EDT 1999 | KEM

Could anyone recommend a good depanization tool for a PCMCIA panel which has breakaways. For several reasons, we decided to go with this approach rather than scoring and I'm less than pleased with the punch presses we currently use. Any help will


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