Electronics Forum | Fri Oct 19 00:37:43 EDT 2001 | ianchan
Hi, my guys did such solder paste deposits on PCB bareboards before, (before my physical join with my current company), approximately 2-3 years ago, for a small Lot run. What the PCB supplier did was to apply "block" shaped Sn/Pb paste alloy onto t
Electronics Forum | Thu May 06 09:15:51 EDT 1999 | Haitham Sakr
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. > 2. Photoresist spray bottles of 200ml or more. > 3. Solder &
Electronics Forum | Thu May 06 14:22:00 EDT 1999 | Dave F
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. | > 2. Photoresist spray bottles of 200ml or more. | > 3. Sold
Electronics Forum | Thu May 06 09:10:44 EDT 1999 | Haitham Sakr
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. > 2. Photoresist spray bottles of 200ml or more. > 3. Solder &
Electronics Forum | Mon Mar 16 04:46:25 EST 1998 | Grant Petty
We have just go another batch of PCB's from our loaders, and some of the boards are severely warped. The boards are PCI cards and one of the boards is 9mm out at one end. The PCB is 210mm long and 4 layers. I am wondering if anyone knows what could
Electronics Forum | Mon Mar 16 16:57:59 EST 1998 | Earl Moon
| We have just go another batch of PCB's from our loaders, and some of the boards are severely warped. | The boards are PCI cards and one of the boards is 9mm out at one end. The PCB is 210mm long and 4 layers. | I am wondering if anyone knows what
Electronics Forum | Mon Mar 16 09:07:14 EST 1998 | Justin Medernach
| We have just go another batch of PCB's from our loaders, and some of the boards are severely warped. | The boards are PCI cards and one of the boards is 9mm out at one end. The PCB is 210mm long and 4 layers. | I am wondering if anyone knows what
Electronics Forum | Thu Dec 19 20:40:08 EST 2002 | jonfox
One common practice, depending on what is on the other side of the PCB and how much heat you need to draw away from the part, is to manufacture a pseudo-heatsink into the board itself. It looks like a large tinned pad but has a dense array of vias f
Electronics Forum | Thu Dec 19 20:45:47 EST 2002 | jonfox
One common practice, depending on what is on the other side of the PCB and how much heat you need to draw away from the part, is to manufacture a pseudo-heatsink into the board itself. It looks like a large tinned pad but has a dense array of vias f
Electronics Forum | Thu Jan 29 14:24:56 EST 2004 | rick
What kind of cleaning method you recommend for PCB - double side SMD (fine pitch and BGA components) and THT elements (PCB are for microwave application!!). Process technology no-clean.We have to remove grease-fingerprints, dust etc. It is low volume
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