Electronics Forum | Wed Oct 18 09:44:38 EDT 2000 | mike weekes
we're considering PWB finishes other than HASL - the uneven plating contributed to defects and the residues exceed our goal for PWB cleanliness. What success have any of you had with CuOSP, Immersion Silver, Gold or other finishes? Did you have to
Electronics Forum | Tue Oct 24 19:43:25 EDT 2000 | Dave F
Consider the SMTnet Archives, also Merix has posted a paper on this topic
Electronics Forum | Mon Oct 23 21:05:37 EDT 2000 | cklau
If you're looking for PWB cleanliness , please consider one surface treatment other than HAL (i.e HRF-heat resist flux). HRF is a very inexpensive and effective process that your board manufacturer can provide you to meet your requirement. For gold
Electronics Forum | Thu Oct 26 10:32:14 EDT 2000 | CAL
We currently use a tool that we have developed and sell that can provide real time feed back on OSP coatings. With OSP it is a case by case basis on how many times you can reflow or apply heat before it becomes detrimental. Also, Depending on your pr
Electronics Forum | Thu Jun 23 15:36:44 EDT 2022 | proceng1
It seems that supply issues are really plaguing BIVAR for their spacers. Is there an alternative company that makes equivalent spacers? It's the 901, 903, 938 series spacers that I can't find much of an alternative market.
Electronics Forum | Thu Jun 23 16:10:31 EDT 2022 | jdengler
Maybe try Essentra Components. We have some of out Bivars that are crossed to them.
Electronics Forum | Tue Jun 28 12:52:24 EDT 2022 | proceng1
I was able to find a few more crosses with KANG YANG.
Electronics Forum | Thu Jun 23 18:15:22 EDT 2022 | proceng1
Yes, I tried that. I was able to cross maybe 3 or 4 P/Ns. We use two dozen different bivar spacer p/ns and they are always out of stock.
Electronics Forum | Mon Jun 27 20:32:46 EDT 2022 | kumarb
Absolutely..there are many suppliers of this common widget. Here are some names - we use (have met each in HK / Taipei): The 800-lb gorilla / leader of this industry: http://www.kangyang.com.tw But we found Judy (Yazhoulong) to offer the best p
