PCB Industry Information Group - Page 4

Category:PCB PCB Industry Information

Group Administrators: 1 | Group Member: 167 | Group Threads: 368

This Group provides continually the latest information on the most recent trends, forecasts and analysis in the printed circuit board space.

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5 comments

853 views

Need help on Tomb Stoning

We have been asked to rework several thousand bare circuit boards. A design change now requires 2 chip components where 1 was originally required. Round test pads near this area will be used to comple...(view more)

MARCO AURELIO

2017/3/1 5:04:04

5 comments

963 views

Survey on PCB Solder Finishes

PCB Solder Finishes Survey Questions Results for the 1996-7 survey are located at www.smartgroup.org As a number of SMART people have requested an update on the solder finishes survey SMAR...(view more)

hisham.i

2017/3/1 5:03:25

5 comments

1010 views

I need assistance in selecting SMT equipment

I'm trying to start a small SMT contract shop and I need assistance in selecting equipment. Quad seems to be the leader but if there is something else out there that can better suit me please let me k...(view more)

andrea.pirovano

2017/3/1 4:52:58

5 comments

943 views

Anyone know what reductions are typical for stencils

Can people let me know what reductions are typical for stencils. This can obviously be affected by the technology of the board, but for chip caps and R's do you use 1:1 and only reduce for finer pitch...(view more)

luizleo2001

2017/3/1 4:34:47

5 comments

1006 views

I am seeking the source of a PIND Tester

This message is for the "packaging" types in our industry. I am seeking the source of a PIND Tester (Particle Impact Noise Detector). It is used to detect whether loose bodies or contaminants may be p...(view more)

andrea.pirovano

2017/3/1 4:12:01

5 comments

1165 views

Process Issues of PCMCIA QFP

Currently manufacturing double-sided PCMCIA cards with a nickel/gold finish, which are 0.0235thou in thickness, using surface mount carriers. Problem we are seeing is when building the densely populat...(view more)

Brook

2017/3/1 4:04:21

5 comments

1003 views

Where can i find some information about wave solder land patterns?

Where can i find some information about wave solder land patterns...? I'm especially looking for how to prevent solderbridges (with solder thief) on diffrent componet types (only leadede, no SMD). So ...(view more)

Allen Litton

2017/3/1 3:57:58

5 comments

938 views

any other experiences and results in flux vision

I've been asked to "heat up the oven profiles" to "burn off" the excessive flux so our vision equipment can inspect solder joints. 1. I am using Multicore SN 63 no clean solder paste. 2. W...(view more)

quintendesmyter

2017/3/1 3:32:36

5 comments

1037 views

Solder Ball manufacturer from US and EU

We are looking for Solder Ball manufacturer from US and EU. Would you please kindly tell me where I can find these company. Thank you very much.(view more)

dioannis

2017/3/1 3:32:15

5 comments

999 views

looking for a conformal coating

I am looking for a conformal coating to protect a PWB that will be completely submerged in water. Unfortunately polyurethane will not work because it will not fill all of the small spaces and leaves v...(view more)

dayji

2017/3/1 3:17:37

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