Category:PCB PCB Quality

Group Administrators: 0 | Group Member: 30 | Group Threads: 16

How can we guarantee the quality of pcb? There are commly several ways to control the quality, such as by DRC Check, Electrical Testing, AOI(Automated optical inspection), RoHS...

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Search Results: 16 Threads,2 Pages
10 answers
383 views

Price or quality?

When buying PCB online, we may face a selection dilemma between price and quality.After all, it is very hard to get a balance point between them. Each buyer like cheap PCB,while every manufacturer ne... (See More)

Nick Jay
2017-04-24 11:52:19
Garry Thorn
2017-05-18 10:08:32
1 answers
112 views

Identify the PCB board

Identify the PCB board can start from two aspects; the first method is to judge from the appearance, and the other is from the quality requirements. 1.Appearance: 1. the size and thickness of t... (See More)

James Kent
2017-05-16 15:56:44
William Reeve
2017-05-16 17:39:46
1 answers
192 views

A good spec for board warpage

We are using a age old warpage spec of .010 inch per inch max warpage spec. Is there a recommended warpage spec for surface mount boards? (See More)

pmaggi
2017-05-04 04:55:41
Michel Froehlich
2017-05-04 09:38:30
5 answers
186 views

Ionic Contamination Testing

I am a Quality Engineer which went from an Automotive QS9000 company manufacturing ceramic hybrid boards and now I am with a ISO PC mfg. company dealing with PCBA boards. I've been assigned a task in ... (See More)

luigi.rodorigo
2017-03-01 00:44:09
Eden
2017-03-03 00:44:09
3 answers
181 views

how much progress others have made in relation to Rohs/Leadfree?

Hello to all, Just wondering how much progress others have made in relation to Rohs/Leadfree? What stages are they at and have any changeover dates been set ? any replies will be hel... (See More)

pm_legrand
2017-02-28 23:22:18
protocad
2017-03-02 23:22:18
4 answers
199 views

RoHS Board Delamination

We are experiencing an issue with RoHS boards delaminating during SMT. In tyring to determine root cause, our board mfg house states the issue is with the laminate. The laminate supplier states ... (See More)

Martin Banky
2017-02-28 21:10:00
IngeniApp
2017-03-02 21:10:00
4 answers
219 views

Multilayer PCB X-ray inspection

We've got prototype 6-layer PCB's and I suspect that mfg. swapped some internal layers. Would it be possible to use some form of x-ray inspection to verify that? Any ideas? (See More)

Jeroen
2017-02-28 17:38:41
Esteban
2017-03-02 17:38:41
3 answers
146 views

Lead-free/RoHS compliant assembly

Tin dipping of components in RoHS compatible solder is one means to turn the lead bearing components in to devices which can be used in a RoHS compatible soldering process. The conversion of lead bear... (See More)

Paolo Sanna
2017-02-28 14:10:55
Charles
2017-03-02 14:10:55
2 answers
125 views

PCB incoming material Inspection

We been having problem with raw PCB quality. Is there a procedure to inspect incoming material? What should we look for? (See More)

Stefano Vittorio
2017-02-28 08:20:22
Peter Trenciansky
2017-03-02 08:20:22
5 answers
192 views

electronics X-ray quality procedure

Does anyone have an example of an electronics X-ray quality procedure? We are implementing a new X-ray machine and it is my responsibility to compose the quality procedure. I know that each state has ... (See More)

andrewr
2017-02-28 02:57:23
jackheaton
2017-03-02 02:57:23
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Search Results: 16 Threads,2 Pages