Electronics Forum | Wed Jan 13 04:27:00 EST 2016 | crystalpcb
Hi Here is our factory production capability: Shenze Electronic PCB Specification Layer Count 1 to 35 Layers Material Brand Shengyi,KB,GRACE,ISOLA,Rogers,Taconic,ARLLON,Bergquist Base Material FR-4（TG135,TG150,TG170,TG180），Halogen Free FR-4，Ceramic
Electronics Forum | Thu Aug 22 22:10:26 EDT 2002 | davef
Ooooow! �Can it be fixed?� Good question. How BAD did you damage it? * Since you are asking this question, I am NOT inspired by the potential that you have the skills to fix the board. Go Jeff Ferry�s site at Circuit Repair Center [If you can�t f
Electronics Forum | Thu Nov 19 14:41:30 EST 1998 | Michael Peart
We are investigating purchasing boards off-shore (Topsearch). Part of their process is to punch the matrix instead of router them. These boards are mixed technology. Is anyone aware of difficulity processing punched boards? Thanks, Mike
Electronics Forum | Thu Nov 19 15:44:34 EST 1998 | Earl Moon
| We are investigating purchasing boards off-shore (Topsearch). Part of their process is to punch the matrix instead of router them. These boards are mixed technology. Is anyone aware of difficulity processing punched boards? | Thanks, | Mike | Big
Electronics Forum | Tue Nov 16 09:44:18 EST 1999 | - bobar
Ken, The technology you are referring to is also known as return-to-web. This panelization method involves a hard tooled perimeter die and a press equipped with an air cushion. The PCB circuit is punched out and then inserted or "pushed" back into
Electronics Forum | Sun Nov 22 06:58:36 EST 1998 | Kallol Chakraborty
3 lyr with gnd /pwr plane (most of the mixed has sheilding). I guess I am just repeating what Earl has said earlier. It would be nice to ask them for sub-ing it out for scoring as sometimes it is hard to route (SS or DS). I am pretty sure that
Electronics Forum | Fri Dec 08 23:02:24 EST 2000 | LeeKibler
Beware the foam fluxer. I had a problem with cracked caps that just about drove me off the deep end. I discovered that my foam fluxer air knife was not turned on resulting in excessive flux. The excessive flux (VOC free) was not properly dried off
Electronics Forum | Thu May 06 19:25:41 EDT 2021 | markhoch
oooff... be careful of punch dies. They leave a lot of debris and can stress components on the PCB. If you're using them, be sure to verify stress levels with a strain gauge test. Semi-fractured components can pass test, yet eventually cause latency
Electronics Forum | Thu Dec 26 13:02:15 EST 2002 | MA/NY DDave
Hi Again, As I was thinking about this, I remembered another unconventional way that I was told about from one of the starters of this technology. Now I don't think anyone would use this technique anymore, yet here it is: Press Cutting and Pushing
Electronics Forum | Thu Apr 02 19:54:31 EDT 2009 | davef
CK The term that you're searching for is: "Singulation" the process of die punching circuit boards with a hydraullic press. [Although the very nice people that sell "saw depanelers" call their equipment singulators. We assume they do that because e
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