Electronics Forum: pcb problems (Page 1 of 222)

pcb manufacturing

Electronics Forum | Fri Jul 28 21:54:58 EDT 2006 | Wave Master Larry

Your right. Listen our engineers don't come out to the floor or even listen when we try to tell them our problems. When they do talk it's all X pplanes or y planes jibber. We got this new asian kid here that thinks flux can cure all our problems.

pcb solderig

Electronics Forum | Tue Sep 01 11:05:36 EDT 2009 | saisungold

We gold plated PCB and while soldering, the adhesion of soldering is not uniform at the tips(soldering ends). Please help us to solve the problem.

pcb manufacturing

Electronics Forum | Sun Jul 30 10:46:24 EDT 2006 | Grant

Hi, It's really weird as I am on this forum with the perspective of a manager, because I run my company, but want to make sure I am as updated as possible so I don't force people into making stupid decisions in our company. However I don't walk int

MPM AP25, separation problems

Electronics Forum | Fri Oct 28 06:55:53 EDT 2005 | pavel_murtishev

Hello! I suspect that our MPM AP25 has separation problems (poor stencil � PCB separation). I observe a lot of �dog ears� after print stroke. And this is 100% machine problem, I�m sure. What machine parts should I check first time to avoid separatio

MPM AP25, separation problems

Electronics Forum | Wed Nov 02 01:53:41 EST 2005 | pavel_murtishev

Hello, Thank you for answer. We are using second hand machine. What do you mean saying that �stencil is not height on all 4 corners�? Does it have some inclination between corners? I mean that three corners of stencil are matching with PCB fine and

rigid-Flex board via problems

Electronics Forum | Thu Jan 12 13:18:07 EST 2012 | swag

215 to 220 deg.C peak reflow. We bake then store all PCB's in low humidity cabinets (appox. 3% RH) prior to running.

N-tech osp problems

Electronics Forum | Tue Sep 26 08:41:27 EDT 2000 | greg

I am processing PCB's that have an n-tech osp coating and am finding huge inconsistencies in wetting. Some boards process clean with good wetting and the next has terrible wetting. The boards are stored and handled properly. Has anyone had this

rigid-Flex board via problems

Electronics Forum | Fri Jan 13 13:22:34 EST 2012 | mosborne1

I would recommend that you turn toward your PCB supplier probably China and talk to them. You should always bake your boards if this occurs. If you purchase them form a trusted source you should store them in a McDry until you use them if possible. I

Ekra E4 transport problems

Electronics Forum | Thu Jun 11 16:29:37 EDT 2015 | chris_jayconsystems_com

I have an Ekra E4 stencil machine. When I transport a pcb into the machine. It will stop in the machine about 3-4 inches from the opening and go through the clamping procedure, like the machine went through the transporting correctly. It does this ra

Ekra E4 transport problems

Electronics Forum | Fri Jun 12 08:37:21 EDT 2015 | cgreiner

Check to insure that cut outs in the PCB is not triggering the board sensor on the input of the unit. We had a few boards where the cutout in the board was seen as the end of the board and it would stop several inches from the board stop. We ended

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