Electronics Forum | Thu May 04 13:35:28 EDT 2017 | jmathis
Hello All, I was given an assembled flex circuit PCB and asked how the board was depanelized as there are no view-able witness marks that I can see. Any ideas? Thanks in advance on any insight to depanelizing without leaving witness marks on the F
Electronics Forum | Mon Jan 27 10:09:33 EST 2020 | charliedci
Looks like a screen printed circuit using a platinum or palladium silver paste. This would account for the grainy appearance. I 've seen this on a white ceramic substrate but not on aluminum. Any components are attached using a silver conductive epox
Electronics Forum | Mon Jan 27 18:15:39 EST 2020 | slthomas
I have to ask this because "Material is applied over bare aluminum" doesn't make sense to me. Is that some kind of electrically insulative black anodization on the board surface? Because if it's just bare aluminum, how is the entire circuit not sho
Electronics Forum | Tue Jan 28 01:26:50 EST 2020 | pavel_murtishev
Steve, I am sorry for misinforming. Indeed, there is a sort of insulator over aluminum that looks like powder paint. No hesitation the circuit would be completely shorted otherwise. Regards, Pavel
Electronics Forum | Tue Aug 17 09:43:59 EDT 2021 | lay1014
Application of vacuum technology VACUUM FURNACE Metallurgical industry: The vacuum technology used in the metallurgical industry includes molten steel vacuum processing, vacuum melting, vacuum induction melting, induction shell melting, vacuum arc re
Electronics Forum | Fri Apr 27 18:20:08 EDT 2007 | coop
Integrated Ideas& Technologies, and Fancort one of these companies should have what your after. good luck
Electronics Forum | Sun Oct 19 06:42:01 EDT 2014 | timbo292832
im designing a circuit that will require the use of a edge connector so it can connect to another circuit. i need to do this so i can get both micro controllers communicating i have done a bit of research and am thinking about using a pcb manufact
Electronics Forum | Tue Jun 30 07:23:47 EDT 1998 | Marjan
I would be very grateful if someone could provide me with recent figures (schemes)of 1. pin through hole assembly 2. hybrid circuit 3. surface mount technology. Or could anyone tell me where I can find such information? Thanks a lot. Marjan.
Electronics Forum | Sat Oct 09 09:50:04 EDT 1999 | Ken Fong
Hi, We are using mixed technology in our PCBA. Would like to know whether there is any criteria governing/guiding the use of mixed technology in such aspects as: 1. Some SMDs cannot be used in some kind of PCB materials such as FR1? 2. Some SMDs are
Electronics Forum | Mon Jun 20 09:12:55 EDT 2005 | davef
There's no easy answer. It depends on: * Thickness and size of the PCB in the array. * Means of separation. * Type of component. SMT components are more sensitive to the forces that need to be applied to separate the PCB. * Type SMT device. Ceram
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