Electronics Forum: thick pcb (Page 1 of 78)

672 PBGA on PC Card .015 thick pcb

Electronics Forum | Mon Oct 08 23:17:48 EDT 2001 | Brad Arnold

We are trying to produce a PC Card bus assembly with a 672 pin BGA on one side. These pcb's are .015 thick. I believe the ball pitch is .5mm. The pcb's are plated with white tin. The pcb's are in a 1 X 3 array. We had 2 plates with appropriate cutout

672 PBGA on PC Card .015 thick pcb

Electronics Forum | Tue Oct 09 20:27:13 EDT 2001 | davef

That�s a 672 BALL BGA, bud!!! It�s a BIG Mutha!!! [I know. I know. For some reason suppliers call balls "pins".] Let�s focus on: * Clarifying the units on your PCB and aluminum plate thickness measurements. * Describing your use of the aluminum pl

672 PBGA on PC Card .015 thick pcb

Electronics Forum | Thu Oct 11 17:44:30 EDT 2001 | aaelect

OK, OK. 672 ball BGA. The pcbs are PC Card bus size and are .015 thick. There are 3 on a panel with about 1/2" between and rails. The aluminum plates are about 3" by 7". There are 3 cutouts which allow for the parts from either side to protrude du

672 PBGA on PC Card .015 thick pcb

Electronics Forum | Thu Oct 11 22:25:50 EDT 2001 | davef

Bruce I�m with yall. Designers and fabricators say �pins�. You say: * BGA pins are 1mm [0.039�] pitch. * BGA pads are 0.4mm [0.0157�] diameter. * BGA pins are 0.6 mm [0.024�] side-to-side. * Board thickness is ~0.4 mm [0.015�] First, as you can

fine pitch on thick copper

Electronics Forum | Mon Dec 20 07:58:02 EST 1999 | pascal MATHIEU

hello guys ; we are using a fine pitch component(0.65mm) on a thick copper PCB (Cu = 90�m) ; in this case we notice that we are in the process'limits , because the different supplier of the PCB are not able to ensure a good stability of it's process

Fine pitch and thick copper

Electronics Forum | Wed Dec 08 04:19:16 EST 1999 | pascal MATHIEU

I am working in electronic automotive industry and today we are facing to a very serious problem : if we want to use a PCBoard with a copper thickness of 90�m + fine pitch circuit (0.65mm, 0.5mm) the supplier(several) of the PCB has some trouble t

Destacker will not separate 1mm thick boards

Electronics Forum | Fri Oct 24 13:00:36 EDT 2014 | markhoch

I'd check into the ASYS LSB-03 Bareboard Destacker. It isn't a gravity drop style. It uses edge clamps to clamp the top PCB on the stack and then drop it on the transport rail. So it doens't destack from bottom to top, it destacks from top down. We

Re: fine pitch on thick copper

Electronics Forum | Mon Dec 20 12:50:27 EST 1999 | Wolfgang Busko

Hi Pascal, 0,65mm pitch normally isn�t much of a problem. With 90�m CU I don�t have any experience but would like to know what deviation from nominal value for the pads you get with different PCB-deliveries. In short, for the standard Cu=35�m we se

pcb manufacturing

Electronics Forum | Fri Sep 01 05:29:01 EDT 2017 | mona0312

Hi, Recently, i found a company called "jlcpcb". It’s very cheap 10pcs boards. 1.2mm thick, 1-OZ copper, 6/6-mil outer (0.1525mm) just cost $2 Cheap price and lots of options regarding board thickness, colour, etc. None of my boards have ever had a

pcb manufacturing

Electronics Forum | Wed Jan 13 04:27:00 EST 2016 | crystalpcb

Hi Here is our factory production capability: Shenze Electronic PCB Specification Layer Count 1 to 35 Layers Material Brand Shengyi,KB,GRACE,ISOLA,Rogers,Taconic,ARLLON,Bergquist Base Material FR-4(TG135,TG150,TG170,TG180),Halogen Free FR-4,Ceramic

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