Electronics Forum: pcb and marking (Page 1 of 86)

Inkjet marking system

Electronics Forum | Wed Aug 04 10:20:13 EDT 2004 | santech

I am looking for an inexpensive way to mark pcb's. Anyone out there got any ideas? I need to print out 2-5 characters on an array of 40-60 boards. currently using silk screens and an old screen printer, but I can see that in no time I will have ov

pcb purchasing and pcb assembly

Electronics Forum | Thu Mar 19 12:26:10 EDT 2020 | yuaanliie

You have mostly set in your mind before purchasing PCB i.e. PCB is an acronym for the printed circuit board. Last month I purchased PCB from Great PCB.

pcb purchasing and pcb assembly

Electronics Forum | Wed Mar 11 04:05:02 EDT 2020 | floravictor

Due to the impact of the epidemic, will everyone's purchases be affected? We are pcb factory in Shenzhen, we are already back to work. skype: qjthomasxiao

ROHS compliant marking Ink

Electronics Forum | Thu Jun 15 13:20:12 EDT 2006 | jem

Hello All Has anybody used or know of ROHS compliant marking Ink? In particular the permanent ink (bought in little container and used on the felt stamp pads)that QC inspectors use to stamp off a PCB after inspection. We use a trodat industrial ink

PCBA Id using Laser marking

Electronics Forum | Fri Mar 20 10:26:05 EDT 2015 | g2garyg2

For laser marking the mark quality is directly related to the PCB composition. If you want to guarantee a good mark every time and have control over the PCB being built (not always the case for contract Mfg) as the other responder stated, placing a w


Electronics Forum | Tue Apr 09 18:29:34 EDT 2002 | davef

Any-Layer Interstitial Via Hole (ALIVH). In printed circuit board fabrication, a registered mark of Matsushita Electric for a filled microvia structure in all layers for applications requiring small-size, lightweight build-up PWB to achieve high-den

laser or ink jet marking of pcb's

Electronics Forum | Tue Mar 06 18:57:48 EST 2001 | pzohbon

I am looking at putting a laser or ink jet marking system for barcoding of pcb's in our smt production area. As and inline system it will need the capability to handle different size boards. We use dark green pcb's except for couple red and blues m

seperation of soldermask and pcb

Electronics Forum | Tue Mar 18 11:53:58 EDT 2014 | sara_pcb

Our contract manufacturing agency have procured pcbs from approved vendor. After assembly we found solder mask separated from the PCB on the epoxy area as patches. The top side is intact. also over the pcb tracks, the mask got damaged. In what c

seperation of soldermask and pcb

Electronics Forum | Tue Mar 25 11:25:18 EDT 2014 | horchak

The first impression I get is that the mask was applied over dirty or contaminated copper. What is the trace and land finish on the PCB? You also appear to have a wetting problem.

seperation of soldermask and pcb

Electronics Forum | Tue Mar 25 09:35:28 EDT 2014 | emeto

Have you tried to bake the boards before you process them?

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