Electronics Forum: 2000 (Page 126 of 505)

Re: Stencil Apertures

Electronics Forum | Mon Jul 03 13:25:49 EDT 2000 | Ramon I Garcia C

good morninrg Sal: I think if you try with no windows shape, maybe if you redce 10% (5% per side ;5% one side & 5% other side, total 10 % )

DIGITIZER

Electronics Forum | Fri Jun 30 11:33:04 EDT 2000 | Walter

CAL Comp 34180 DIGITIZER Installation on MYDATA TP-11UFP Installed per set-up & installstion documents provided by CAL Comp. When trying to activate mouse get no result.

Fillet Lifting

Electronics Forum | Thu Jun 29 13:18:23 EDT 2000 | Gary

I was reading SMTs report on Lead Free solders and saw repeated references to Fillet Lifting as a failure mode. I have not found an explanation of what this is. Can anyone enlighten me? Thanks

APerture size for microBGA

Electronics Forum | Thu Jun 29 09:12:27 EDT 2000 | sree

What is the best aperture opening for micrBGA with 0.8 mm ball pitch and 16 mils ball diameter?The pad size on the PCB is 12 mils.

Re: APerture size for microBGA

Electronics Forum | Thu Jun 29 09:46:41 EDT 2000 | sree

Hi Jax, The microbga discussed earlier in the forum is mounted on 16 mils pad whereas mine is on 12 mils pad. Can I use the same aperture opening ?Please advise.

Glue dot question:

Electronics Forum | Thu Jun 29 08:10:33 EDT 2000 | Mark

I�m looking for an in-line glue dot machine to be used after paste screen and prior to PnP. Anyone have any recommendations? (I searched the threads for �glue dot� no info there)

Re: A Standard for Electronic Componets Discription

Electronics Forum | Fri Jun 30 11:00:23 EDT 2000 | Chrys Shea

IPC publishes a great little book on component identification. It's $20 for members, $40, for non-members. You can get it right off their website.

HASL Plating Thickness

Electronics Forum | Wed Jun 28 12:29:59 EDT 2000 | Christopher Lampron

Does anyone know what the min-max plating thickness for HASL is? Is there a specification that defines this requirement? We have had problems with PCB's that have excessive solder plating on the pads. This wreaks havok with our QFP's. Any help would

HASL Plating Thickness

Electronics Forum | Wed Jun 28 12:29:56 EDT 2000 | Christopher Lampron

Does anyone know what the min-max plating thickness for HASL is? Is there a specification that defines this requirement? We have had problems with PCB's that have excessive solder plating on the pads. This wreaks havok with our QFP's. Any help would

Printed Circuit Board Mechanical properties

Electronics Forum | Wed Jun 28 07:07:52 EDT 2000 | David Smith

Can anybody help me with finding information on the mechanical properties of PCB materials, particularly with reference to vibration analyses. Thanks


2000 searches for Companies, Equipment, Machines, Suppliers & Information