Electronics Forum: low (Page 43 of 348)

Placement Equipment for 17 x 23 Backplanes?

Electronics Forum | Wed Nov 17 09:49:02 EST 1999 | Forrge

We are starting to place SMT resistors and caps (1206) on large backplances, (17" x 23"). The mix of parts are low, just a few different part numbers at this time. The volume of boards is also low, 50-200 per week. I am looking for recommendati

Low-temperature, lead-free solders

Electronics Forum | Mon Apr 19 18:21:56 EDT 1999 | Joseph Holmes

Do solders exist that are both lead-free and low-temperature (e.g. 100-170 Celsius range)? If so, who supplies these materials? Any websites or contact information would be most helpful. Also, I am not an expert on soldering, so any good website

Re: Low-temperature, lead-free solders

Electronics Forum | Mon Apr 19 21:11:54 EDT 1999 | Dave F

| Do solders exist that are both lead-free and low-temperature (e.g. 100-170 Celsius range)? If so, who supplies these materials? Any websites or contact information would be most helpful. | | Also, I am not an expert on soldering, so any good w

Re: Humidity bake bends leads

Electronics Forum | Sun Apr 18 03:58:26 EDT 1999 | P.L. Sorenson - Technical Consultant

| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | To remove moisture from low quanti

Re: Reballer fro BGA

Electronics Forum | Wed Apr 14 22:39:20 EDT 1999 | Dave F

| Any recommendations for a reballer for BGA and mBGA? Low volume, low cost appreciated! | Dave: I don't believe that reballing BGAs that go into customer products is a good idea. Check with your BGA supplier to determine their recommended maxim

Re: Component Baking

Electronics Forum | Fri May 22 15:45:31 EDT 1998 | Justin Medernach

| Does anyone know about low pressure/low temperature | ovens used for baking of moisture senstive | components? | Thanks Mike, Check out the people at 3M. They have come out with high temp reels and carriers that can withstand a bake. Try the gu

Re: Component Baking

Electronics Forum | Thu May 21 16:26:29 EDT 1998 | Earl Moon

| Does anyone know about low pressure/low temperature | ovens used for baking of moisture senstive | components? | Thanks I need to know from where your need came. I usually just bake in conventional ovens with specified times and temperatures. Ple

Solutions For Low Volume BGA/SMT Rework

Electronics Forum | Tue Feb 17 22:23:44 EST 1998 | G Henning

We are in need of a low cost system for the rework of various SMT devices. Ideally the machine should support BGA, SQFP, and large PLCCs. Is it a dream to ask for SMT tweezers, a regular iron, and a convection pencil as well? Want a machine to cover

PWB Fabricators

Electronics Forum | Sun Jan 26 14:46:48 EST 2003 | Jkhaiar

Hi Every one Very interesting Subject Nothing new to add just to make it alive I think it have to do a lot with the market now. The low demands in the market and price competition have lowered the QC budget. Some one has said it; a reputed and resp

no-clean process

Electronics Forum | Sat Mar 29 08:50:30 EST 2003 | davef

Barry Echoing an earlier poster, replace your stone. Use the suppliers' recommended thinner. Do NOT use isopropanol [IPA]. IPA contains water. Water is the bane of low residue soldering. It will get you in trouble fast. From IPC, get your hand


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