PCB Manufacturing Group - Page 20

Group Administrators: 1 | Group Member: 320 | Group Threads: 440

PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

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4 comments

702 views

Visual Inspection Post Reflow

Hi Everyone, Just wondering out loud, what type of inspection stations do you guys have for post re-flow? Currently we are using just a bare bones visual station. Is there any recommended station that...(view more)

andrew_debbie

2017/2/2 14:10:33

3 comments

720 views

REFLOW PROFILING

DEAR TECHNETTER'S, When profiling for the reflow process, we are given a recommended profile to use for the solder paste (no-clean). They give us a range of times to be in each zone. Ex. <90 sec ra...(view more)

alex

2017/2/2 14:01:02

4 comments

762 views

Immersion Silver

We have had some test results come back after we were getting poor wetting in our joints, we requested an EDS on our joints from our PCB supplier. They have provided the results and said that it was t...(view more)

gigisi1

2017/2/2 13:40:51

3 comments

709 views

Vertical Oven Profiling and profiler

Hi all, I just would like to ask if what brand and model of profiler can you recommend for profiling of a Vertical Oven?(view more)

mert.kahyaoglu35

2017/2/2 13:08:21

5 comments

1100 views

PCB Marking

I am looking for Permanent non conductive ink (Black and white) to mark PCBs with. I am also looking for a method to apply the ink (stamp) in letters 0.08 high. I need to stamp the board in two locati...(view more)

Csaba Simon

2017/2/2 6:13:36

5 comments

718 views

Quad &quot

I`m just trying to tell people that Quad , is have been really a problem for our company , we have seen other machines and they don`t. If we have a problem ,one day it keeps coming back the next day ,...(view more)

jeorge daniel

2017/2/2 6:12:47

3 comments

789 views

PCB contamination with NC Flux after Wave Solder

We use a NC Flux in the wave solder and after aAcelerated Life Test cicle we found contamination white residues paths between some solder points. Does somebody know a possible cause for this contamina...(view more)

ramadanrenan

2017/2/2 5:53:22

5 comments

855 views

PCB interval during reflow process

Is there a generally acknowledged loading interval of PCB for Reflow proces?(view more)

Balázs Sz?cs

2017/2/2 4:34:48

5 comments

782 views

large smt board to reflow

hello everybody , i am looking for the elementary caution you need to take when you reflow large board with several thousands of smt components . thank you for your advise(view more)

Hank

2017/2/2 3:50:11

4 comments

671 views

De-wetting on Immersion Silver finish board

One of our divisions is having this problem: - De-wetting on the smt pads and componenent termination on the bottom side after top side procssed through reflow. Board finish is immersion silver....(view more)

filippo.lalli

2017/2/2 3:49:06

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