Electronics Forum: property (Page 4 of 40)

Re: cleaning glue off of stencils

Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes

We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an

Re: Royalty rates and copyright protection

Electronics Forum | Mon Oct 30 20:58:30 EST 2000 | Dave F

This topic is too serious to talk with someone not well versed in intellectual property issues. Call your lawyer.

PCB documentation

Electronics Forum | Mon Aug 07 13:05:55 EDT 2000 | Simon

I'm looking for some documentation on PCB. How it's made. What is the properties of each finish and so on. If someone could give me a site or a book I could look at I'll appreciate. Thanks Simon

Re: cleaning glue off of stencils

Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes

We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an

Re: Dispensing Paste On 20 Pitch Pads

Electronics Forum | Thu Aug 24 13:31:41 EDT 2000 | Dr. Ning-Cheng Lee

For 20 mil pitch applications, two important properties to evaluate are (1) dispensing volume consistency, (2) slump performance. As to the dispensing equipment, positive displacement will be the better choice for better consistency. Nozzle size is v

Re: NC Flux Splattering

Electronics Forum | Thu Aug 24 13:25:01 EDT 2000 | Dave F

What factors in the manufacturers' description of a paste properties give clues to the wetting rate and boiling point of solvents of fluxes?

Trays - Conductive vs Anti-Static??

Electronics Forum | Mon Oct 11 05:12:23 EDT 1999 | rjk

I am checking out trays for packing of Simms, and I would like to know what are the main differences between Anti-Static and Conductive trays. Anti-static are cheaper, but I would like to know about properties of one against the other, what are vario

Alternative solder mask?

Electronics Forum | Mon Aug 09 05:39:43 EDT 1999 | Jacqueline Coia

Could anyone please tell me if the now redundant 'Probimer 52' PCB soldermask has an alternative being used which has the same look and properties as Probimer 52, without being as harmful. If so could you tell me where to find details on this new ma

Fr4 Properties

Electronics Forum | Mon Jun 14 11:19:48 EDT 1999 | Frank Frimpong

Hello, I am looking for the surface resistivity and volume resistivity of standard fr4 as a function of temperature and /or humidity . can any one help?

Relationship between BGA and PCB substrate

Electronics Forum | Thu Dec 10 03:37:29 EST 1998 | Youngho Song

Hi everybody? I heard that typical FR-4 would not acceptable for BGA application. What is the main reason? (thermal property? or CTE?) Sombody please answer me the requirement of PCB substrate for PCB application. Thanks. Youngho Song


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