Electronics Forum: (4) (Page 614 of 664)

Re: En-Tek Coating

Electronics Forum | Tue Oct 06 17:17:44 EDT 1998 | Chrys

| We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: | | 1. How can the thickness of the En-tek coating be measured? | 2. Is En

Re: Cosmetics For PCBs

Electronics Forum | Fri Oct 02 16:49:33 EDT 1998 | Dave F

Benji: I tend to agree with you that assemblers shouldn't wear make-up. I'm unsure what first level assemblers are tho. I've been down that finger cot/glove route ... 1 If someone is going to smear facial or cosmetic oil on a board, they can do

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Thu Sep 17 10:45:27 EDT 1998 | Justin Medernach

| We have problems with voids when we solder lids to | ceramic flatpackages. | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | The solder is attached to the lid (preform) and the solder material

Re: Fujicam Users

Electronics Forum | Sat Sep 19 12:49:48 EDT 1998 | Jim Price

| | | | | FujiCam users | | | I am looking for any feedback concerning Fujicam. | | | User friendly? | | | Any Bugs? | | | Any input would be nice | | | Mike | | Mike, | | While I don't have any experience with Fujicam, I do have a lot of experien

Re: Need advice on fixturing a smt LED board

Electronics Forum | Fri Sep 04 09:33:40 EDT 1998 | Stefan W.

| I need advice for locating 23 Gull wing LED's (all in a straight line) in the x,y, and z axis for a SMT PCB. It is a Hewlett Packard LED (P/N HMLA-QH00-01). The application uses a CCD to detect the position of a ball which floats in a resevior fo

Re: Cracking Capacitors

Electronics Forum | Wed Sep 09 10:02:46 EDT 1998 | Earl Moon

| | | I am in need of possible causes and solutions to capacitors that are failing in the field. | | | Are there issues in our process that need to be | | | checked? | | | Some people said the problems are due to improper | | | storage. Others sa

Re: Help!: PBC Trace Failures at SMT pads!

Electronics Forum | Thu Sep 03 12:36:11 EDT 1998 | davef

| We have an unusual problem here and I'm reaching for more input if anyone can help??? We are an OEM manufacturer of PCA's. After a history of consistent quality designs, we have one small memory SIMM that is causing major headaches for us and our P

Re: DI Water Cleaning / Need To Control Resitivity More?

Electronics Forum | Wed Sep 09 12:20:59 EDT 1998 | Dave F

| | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon bed, mixed resin bed

Re: DI Water Cleaning / Need To Control Resitivity More?

Electronics Forum | Tue Sep 01 10:32:51 EDT 1998 | Ben Salisbury

| We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon bed, mixed resin bed, ca

Re: DI Water Cleaning / Need To Control Resitivity More?

Electronics Forum | Tue Sep 01 09:24:23 EDT 1998 | Earl Moon

| We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon bed, mixed resin bed, ca


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