Electronics Forum | Thu Sep 01 18:27:28 EDT 2005 | Board House
Hi I currently Manufacture product for Dataradio Inc. in Quebec. and would be interested in quoting your product. We are a Multi-layer facility in Minnesota, we currenty manufacture layer counts between 2 & 18 layers. Line widths and Spacing down t
Electronics Forum | Fri Nov 16 08:22:03 EST 2007 | ck_the_flip
For those of you who've completely switched to Pb-Free or who're running in a mixed environment, are you also buying or specifying the "RoHS PCBs" - the ones with * Greater Tg (glass transition temperature) * Thru-holes with limited drill hits and
Electronics Forum | Mon Nov 19 17:40:38 EST 2007 | bbarton
No, the thicker plating and need for very high quality drilling and plating is DUE to the higher copper dissolution rate and higher contact time. As to the Sn100C material, their claims seem to confirm a "lower" copper dissolution rate, but so does A
Electronics Forum | Fri Aug 15 00:51:30 EDT 2008 | boardhouse
Hi Paul, My discloser, I sell for an offshore house, this is Crap.... Section 3.4.3 Annular Ring (External) of IPC-6012A, which also calls out Table 3-5, states that "Plated-through holes identified as vias can have up to 90 degrees breakout of t
Electronics Forum | Fri Oct 10 17:27:10 EDT 2008 | wagoner
We have several similar parts in our factory and they usually don't give me any problem. One part has a 0.050 pin that goes into a 0.055 hole, and we place it with Panasonic MSR turret style chip shooter, which has a placement accuracy of only +/- 0
Electronics Forum | Thu Nov 27 10:55:51 EST 2008 | muarty
Hi Steve, Are you actually profiling the BGA itself? By that I mean have you, for example, drilled through the underside of the pcb into the balls of the BGA and attached a probe there? You may find that even although the topside components have a p
Electronics Forum | Mon Aug 16 14:43:44 EDT 2010 | dan_ems
Hello, i don't know if is possible to dispense paste but for reduction of cost we use a diferent type of stencils, from aluminium of 0,2 mm, purchased from a typography of newspapers. Ofcourse the pcb for what we use this stencil are simple. But th
Electronics Forum | Thu Oct 31 02:43:55 EDT 2013 | hqew2013
The smallest finished hole available for 2 layer board is .020”. The smallest finished hole available for 4+ layer board is .014”. All holes are round and drilled through from top to bottom layer of board. No blind or buried vias. For holes = .15
Electronics Forum | Sun Apr 15 09:00:24 EDT 2001 | hunter
Hi All..... I would like to know if anybody is interrested in having some high speed Multi Layer PCB Designs . Here in Egypt, a lot of design centers with the state of the Art tools in PCB ,FPGA, ASIC and many other tools covering the complete PCB
Electronics Forum | Thu Sep 23 22:31:25 EDT 1999 | Dave F
| | i'm sure everyone has run into this at one point or another. I have a thin pcb .025 that is single up that has to be built on a pallet. does anyone have any tricks to the pallet design that will help to hold these boards down during the scree
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