Electronics Forum | Thu Jul 12 21:41:35 EDT 2001 | mugen
A) Questions: 1) What sort of pallet materials used? 2) what PCB thickness & LxW size? 3) what stencil type & thickness used? 4) what profile type used (peak deg-C)? 5) any peak Deg-C contraints for the components SMT onto the PCB? B) We use pallet
Electronics Forum | Wed Jul 18 20:58:54 EDT 2001 | Charles A. Harper
Two more recent books are Electronic Packagind and Interconnection Handbook,Third Edition,2000; and High Performance Printed Circuit Boards,2000.I served as Editor for both.Charlie Harper PS to Dave Fish-Please contact me regarding two new books usef
Electronics Forum | Wed Aug 01 11:57:55 EDT 2001 | mparker
It's amazing the eclectic applications that Silly Putty works for, what the heck, give it a shot! One question, seriously, what are the QFP dimensions? x, y, z? can you stand for the injected material to flow past the leads?
Electronics Forum | Wed Jan 26 07:55:17 EST 2000 | Dave F
Mikel: There's a lot of ways to break a glass diode. Poor material handling High placement force Thermal stress Board flex So, where is this damage occuring? Dave F
Electronics Forum | Tue Jan 25 08:32:29 EST 2000 | Haim B.
Hello ! We are looking for a screen printable RF absorber material, to be printed on a 50 ohm line as a shielding. thanks.
Electronics Forum | Wed Jan 26 10:33:56 EST 2000 | Haim B.
Hello Mr Dave F Thanks very much. I forget to mention that the material is not electricaly cunductive. Haim B
Electronics Forum | Mon Jan 17 10:40:11 EST 2000 | Dave F
Cost = Labor + Production Materials + Overhead Cost = Labor * Overhead Multiplier Cost = (Time For Task*Labor Rate*Benefits) * Overhead Multiplier Cost = ((6sec/3600sec/hr)*$10/hr*1.3) * 2 Cost = $0.04
Electronics Forum | Mon Jan 17 02:02:38 EST 2000 | PC
Can anyone there please tell me what can cause the SMt chip terminal lifted? This happen quite often and I can't find the rootcause for this problem. Does it cause by material/Placement?? Thanks
Electronics Forum | Mon Jan 17 04:25:50 EST 2000 | Wolfgang Busko
PC: I guess you talk about something called tombstoning. About causes and adequate countermeasures you will find enough material when you browse the archive with this search item. Try also "tombstone". Good luck Wolfgang
Electronics Forum | Thu Jan 13 12:47:03 EST 2000 | morris
Wolfgang: What is the mask material? What type of process/tools are required to remove it? Approximate cost per PCB?
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