Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


George Forrest

#10904

Adding a trace to a PB | 21 June, 1999

We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process.

Does anyone know of a rework shop that can handle a large volume and does quality work?

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DNC

#10905

Re: Adding a trace to a PB | 21 June, 1999

| We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | Does anyone know of a rework shop that can handle a large volume and does quality work? | Deon Response:

I will recommend a source. Check your E-Mail. Hope it helps.

Regards, Deon Nungaray SMT Mfg. Engineer GMI USA CA

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#10906

Re: Adding a trace to a PB | 21 June, 1999

| We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | Does anyone know of a rework shop that can handle a large volume and does quality work? | Try:

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#10907

Re: Adding a trace to a PB | 22 June, 1999

| | We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | | | Does anyone know of a rework shop that can handle a large volume and does quality work? | | | Try: | Additive Sercives Inc does very good work. I've used them at several shops over the last 5+ years.

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David Spilker

#10908

Re: Adding a trace to a PB | 22 June, 1999

| We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | Does anyone know of a rework shop that can handle a large volume and does quality work? |

Conductive Circuits, Inc. (www.conductivecircuits.com) does this kind of work. The trace is made with conductive ink and will have a higher resistance that copper.

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Used SMT machines

SP700avi inline stencil printer