8 fine and smtnet and archives and for and bake and recipes results

Electronics Forum: fine and smtnet and archives and for and bake and recipes (Page 1 of 1)

Required humidity for SMT production and storage

Electronics Forum | Thu Apr 12 22:00:58 EDT 2007 | davef

Search the fine SMTnet Archives, for instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=46687

Recommended TG material for CCBGA , CBGA and PBGA's

Electronics Forum | Sat Mar 01 08:17:40 EST 2003 | davef

You're correct that the FR4 is probably the best choise. The majority of the problems in developing your reflow recipe is going to come from the CTE mismatches in the CCBGA , CBGA and PBGA that you put on the board. The other side says given the pr

BGA crack and strain gauge measurement

Electronics Forum | Mon Nov 27 08:05:50 EST 2006 | davef

There is no standard for a strain gage measurement of allowable deflection of a board or a fixture. It's possible that your fixture is causing the BGA cracking that you see. What protion of the BGA is cracking? If it is the solder connection, sear

BGA Baking & Tape and Reel Issue

Electronics Forum | Thu Sep 16 21:11:10 EDT 2004 | davef

Left to its own devices the plastic used to seal your parts will take-on moisture in the air. When you heat there parts the water in the part expands and can damage the part, if not properly demoisturized. The instustry standards for controlling su

environment Operational deg-C and RH% for Paste Printer

Electronics Forum | Thu Jun 06 09:46:28 EDT 2002 | davef

Most paste supplier recommendations seem to work fine in the locale of the printer. Search the fine SMTnet Archives for recommendations on the range of control for temperature and humidity in a assembly shop.

Re: Solderability of BGA and PCB

Electronics Forum | Mon Nov 27 17:47:23 EST 2000 | Dave F

Gyver: Lemme take a wack [if you�ll excuse the expression, given direction of the later discussion] at your questions. Q1. Will the baking of BGA or PCB cause more oxidation before the SMT process? A1. It certainly will not cause less oxidation,

Which pick and place machine is a best for startup company?Thks

Electronics Forum | Tue Dec 13 22:25:29 EST 2005 | davef

Kathy-Sunnyvale We've talked about Mydata machines quite abit here on SMTnet. Search the fine Archives for background discussion.

Gold plated board, with csp's and 0603 with no clean apetures

Electronics Forum | Thu Sep 26 20:43:51 EDT 2002 | davef

"OK. If the connection doesn't look like I expect it to look, how do I know that the metallurgy is correct?" Comments are: * There are no pictures that will get you though this. * You should expect that gold that is dissolved in Pb/Sn solder to make


fine and smtnet and archives and for and bake and recipes searches for Companies, Equipment, Machines, Suppliers & Information

One stop service for all SMT and PCB needs

Training online, at your facility, or at one of our worldwide training centers"
thru hole soldering and selective soldering needs

High Throughput Reflow Oven
SMT feeders

High Resolution Fast Speed Industrial Cameras.
Professional technical team,good service, ready to ship- Various brands pick and place machine!

Thermal Transfer Materials.