Electronics Forum: downs (Page 416 of 464)

Re: Via's in BGA pads

Electronics Forum | Wed Apr 21 14:38:38 EDT 1999 | Justin Medernach

| Does anyone have any experience with soldering 50mil pitch BGA's that have a via in the pad, the size is .012 The via will be masked off on the bottom side of the board. Need to know what precautions or problems if any I might encounter. The proces

Re: I'm baaack!

Electronics Forum | Wed Apr 21 02:28:39 EDT 1999 | Jeff Sanchez

| Jeez, | | I just about had a fine Mexico thing going, or was that in my dreams? Probably, but thanks for the future X possibility. | | OK! Let's keep this thing technical. Let us not dwell on the emotionally charged moment of my return. However,

Re: Cleaning procedures for Entek-Plus Cu-106A

Electronics Forum | Tue Apr 20 16:41:52 EDT 1999 | Justin Medernach

| I am wondering if anyone has any info regarding solder paste misprint clean-up procedures for Entek Plus CU-106A PCB's utilizing a water-clean solder paste. In a implementation procedure they recommend a 2-3 minute wash cycle with the following cr

Re: Cleaning procedures for Entek-Plus Cu-106A

Electronics Forum | Mon Apr 26 21:50:32 EDT 1999 | Dave F

Dave said: | | So Earl, have you gone honest and haken a real job or is this a consulting project? | | | | TTYL | | | | Davebert | | | | | DamnDaveBert, | | I know you didn't mean to insult such a sensitive one as me, but putting honesty and re

Re: voc free flux

Electronics Forum | Mon Apr 05 08:25:31 EDT 1999 | ADRIANO FERNANDES

| | | I require some feed back from any one who knows about using a voc free flux in a nitrogen wave solder machine soldering both through hle and smt componants. | | | What disadvantages are there when using this flux? | | | Do you have any contact

Re: Intrusive soldering

Electronics Forum | Tue Mar 23 23:17:03 EST 1999 | Chris G.

| Are there many of you who are soldering through hole parts in your surface mount reflow oven? How repeatable is the process? Do you need to touch up a lot after reflow? We don't do long runs maybe 200, 300 boards max. Can you just screen print

Re: Adhesion loss on passives over wave

Electronics Forum | Fri Mar 19 11:01:42 EST 1999 | Dave F

| Hi folks, | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and somet

Re: Batch reflow oven

Electronics Forum | Mon Mar 22 15:05:52 EST 1999 | Scott

| | | | Looking for a company that makes a small batch reflow oven. Not a belt-style convection oven, but a cabinet style that can 125 c to 150 c. | | | | | | | | Thank you | | | | | | | TRY GE I HAVE ONE AT HOME THAT COOKES PRETY DARN GOOD. And i

Re: Universal GDM

Electronics Forum | Wed Mar 24 23:04:00 EST 1999 | Al O Owzitgon

| We are dealing with down time accredited to the Pumps getting clogged with dried glue. We have decided to purge all spindles at 6 hour intervals. We are looking at making this process automated. Has anybody tried this and if so, is there a way to s

Re: Transient Voltage Suppressors

Electronics Forum | Fri Mar 12 20:19:46 EST 1999 | Dean

| AVX and a few other companies make these chip transient voltage suppressors (TVS) parts that are a real *PAIN* to use. According to AVX: | "Due to the semiconducting nature of the doped Zinc Oxide (ZnO) ceramic material, SMT TransGuards ar


downs searches for Companies, Equipment, Machines, Suppliers & Information

Circuit Board, PCB Assembly & electronics manufacturing service provider

Reflow Soldering 101 Training Course
Thermal Interface Material Dispensing

Software programs for SMT placement and AOI Inspection machines from CAD or Gerber.
Sell Your Used SMT & Test Equipment

World's Best Reflow Oven Customizable for Unique Applications