Electronics Forum: pcb cleanliness requirement (Page 4 of 109)

defects in pcb manufacturing

Electronics Forum | Tue Nov 03 20:00:47 EST 2009 | davef

Solder Mask Adhesion Pull Test Tape List IPC-TM-650 Test Method 2.4.28.1, Adhesion, Solder Resist (Mask), Tape Test Method, defines the procedure for determining the adhesion of solder resists (masks) used over melting metals, (such as solder plated

Flex pcb carrier / palett

Electronics Forum | Sun Dec 02 16:18:22 EST 2012 | sarason

A few years back when I was working in a Hybrid company we used carriers machined from aircraft grade aluminum. Its easy to machine on a Mill doesn't bend so easy when mishandled.The thing to know is do your flex circuits sit flat when placed on the

Desiccants and pcb finish degradation?

Electronics Forum | Tue May 15 21:57:06 EDT 2001 | davef

Welcome!!! Where the hay ya been??? Sorry bud, were lining-up with your fab [it hurts me to say that, but when yer  ] We used to dry pack with desiccants, also. Its probably an old MIL-STD-2073-1C requirement [er something like that]. We qui

Repair of FR4 double-sided pcb

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

Desiccants and pcb finish degradation?

Electronics Forum | Mon May 21 17:32:23 EDT 2001 | davef

I said: "Our electronic circuit board fabricators seal the boards in moisture barrier bags [MBB]. We discontinued the use of desiccant bags in these MBB because of concerns about the desiccant releasing materials that would affect the solderability

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Tue Aug 02 06:52:59 EDT 2016 | technotronix

Choose PCB manufacturer nearest to you. FYI only: http://www.technotronix.us/ What is your requirements? Can provide you PCB prototyping and assembly within 24 hours to 3 days according to your specific requirement with the affordable cost & the q

need to modify smt pcb with molytabs

Electronics Forum | Sun Mar 25 12:48:07 EST 2001 | jveloso7

I need to modify smt pcb which require numerous modifications. In stead of use multiple wires, of which would require multiple wires to the same spot. I would like to use molytabs. We used these in the microelectronic hybrids circuits and worked

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Thu Nov 26 04:59:35 EST 2015 | shonen

Hi anyone have recommended pcb manufacturer? My require: quick delivery time; best quality; affordable price; best service; PCB Assembly provided

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Wed Aug 02 23:28:44 EDT 2017 | dawson

there are many ideal pcb manufacturers can reach your requirements. multi-layer and hdi boards, you can try and test http://www.madpcb.com

Hi anyone have recommended pcb manufacturer?

Electronics Forum | Tue Dec 18 03:32:40 EST 2018 | alicecai

Hi! My company meets all your requirement. We guarantee 36 delivery time. No minimum quantity limits. Best quality at good prices! Please try our website:https://www.k-pcba.com/


pcb cleanliness requirement searches for Companies, Equipment, Machines, Suppliers & Information

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