Electronics Forum | Thu Mar 02 14:33:26 EST 2000 | Doug Philbrick
I have a customer wanting to hide the identity of a particular component on a PCB assembly. The product cannot be potted and since the PCB is the product he doesn't want to pour over that one chip for aesthetics reasons. Any ideas on ways to permanen
Electronics Forum | Wed Mar 08 09:54:11 EST 2000 | Jacqueline Coia
Finally got using the calculator guys, (used another server connection). Not sure about the data that is entered for 'solder joint analysis', any helpful hints? To touch on the subject of Scots people being 'cheap', I cant understand these rumours, w
Electronics Forum | Tue Feb 29 19:30:09 EST 2000 | Hon Choi
Good Day, Can anyone tell me if component dimensions are standardized from vendor to vendor? For example, would an sot89 component from one vendor have the same dimensions, lead pitch and length as that from another vendor? And is there any place
Electronics Forum | Thu Feb 24 06:09:26 EST 2000 | Robert Hutton-Squire
Hi, - any suggestions welcome... I have a 484 pin ALTERA fineline BGA - ball pitch 1mm (40) - ball size 0.48mm (18.9) What would you recommend for... 1. Surface pad size for the balls of this BGA device? 2. Stencil thickness/type and hole a
Electronics Forum | Tue Feb 22 04:29:29 EST 2000 | Gwen Z
First I apologize for my poor English writing. we have no heat sink fins and active cooling with power module. when the board is transported,the vibration of board and power module will shotten the solder joint lifetime. if we just solder it withou
Electronics Forum | Fri Feb 11 16:34:01 EST 2000 | Chris McDonald
Does anybody have a source for jigs/tanks for a manual dip operation? We are stuck conformally coating PCBs manualy and the volumes do not justify us buying a 100k automated machine. there for we have to manually dip the pcb in a silicon based coatin
Electronics Forum | Mon Feb 14 12:28:04 EST 2000 | Dave F
Chris: I can't a semi-auto dip tank being any faster than manually dipping. Better control - yes. Less messy - yes. Other stuff Graham mentioned - yes. Have you discussed your goals with some of the used equipment folks listed in the archives?
Electronics Forum | Thu Feb 10 00:08:46 EST 2000 | Hon Choi
Dear all, We haven't been using CPH (chips per hour) as an index of our production capability, but it seems more and more attractive as a basis by which we can compare the capability of different plants producing different products. Are there any o
Electronics Forum | Wed Feb 09 07:04:08 EST 2000 | Jacqueline Coia
Could anyone please tell me the recommended guidelines regarding the max. time and the storage environment for complete (plastic blister tape) SMD reeled components before being used. This is before any associated quality problems occur during assemb
Electronics Forum | Fri Jan 12 00:10:45 EST 2001 | Roland
Jeff, You may want to contact GWidmayer@ox3.com. OX3 Corp has over 800 different carrier tapes in stock to handle any type of component and has another 7,000 tapes that they can obtain on short notice so he may be able to help you with a SMD splic
