Electronics Forum | Thu Jun 07 15:11:11 EDT 2001 | jax
Is SMTNET having a problem with E-mail services? I am recieving e-mails 3 to 4 days after it was sent, if I am recieving it at all.
Electronics Forum | Thu Jun 07 16:12:36 EDT 2001 | csullivan
Does anyone know of a good masking material for conformal coating? The coating is silicon based. Any help would be greatly appreciated. Thanks
Electronics Forum | Tue Jun 12 09:30:42 EDT 2001 | Rob Fischer
I assume the material you are using is black. This may sound far fetched but try using a lighter color material. Going from black to gray has given users as much as fifteen degrees F. less in heat loss.
Electronics Forum | Tue Jun 12 11:28:30 EDT 2001 | CPI
Rob: Wouldn't that only apply to IR ovens. If using a true convection oven the color of the material wouldn't hinder output at all "Right". Don�t want to see someone spend money on new tooling if unnecessary.
Electronics Forum | Thu Jun 14 01:04:57 EDT 2001 | procon
Ian, It appears to me you are trying to reflow the star wars project. All this talk about thermal absorbtion, heat differential, etc., it' only a reflow profile? If you read back over the suggestions of all other memos, you will find the solution.
Electronics Forum | Mon Jun 18 13:33:46 EDT 2001 | nifhail
Thanx Dave. What about the ball park figure for 20 & 16 mil pitch pull strength. Appreciate your input and thank you in advance.
Electronics Forum | Mon Jun 11 21:27:43 EDT 2001 | procon
Way to go CPI! This is a classic example of design. Many people experience this when the have an 0402 close to a QFP or other large components. The pad closest to the larger component will become liquidous later than the pad farthest. Hence, a new t
Electronics Forum | Mon Jun 11 21:57:55 EDT 2001 | davef
Go to the IPC website [http://ipc.org] and buy "J-STD-012 - Implementation of Flip Chip & Chip Scale Technology".
Electronics Forum | Mon Jun 11 10:35:57 EDT 2001 | bbivins
Are there incoming rinse water quality standards - specifically maximum concentrations of magnesium and chloride - for an aqueous or semi-aqueous cleaning process? If there aren't standards, does anyone have experience with what the max can be befor
Electronics Forum | Tue Jun 12 18:42:44 EDT 2001 | htwyman
One of my FAQ pages relates to solder balls - check it out at: http://www.Twyman.org.uk/FAQ/Solder-Paste.htm Harvey Twyman http://www.Twyman.org.uk/CV