Electronics Forum: bga 0.4mm pitch l pattern (Page 1 of 1)

Re: Aperture Reduction for QFP (fine pitch)

Electronics Forum | Tue Sep 21 13:12:56 EDT 1999 | Dave F

| My stencil thickness is 6 mil and we got qfp's with fine pitch. | how many percent should i reduce my stencil aperture using a 6 mil stencil for 0.5 mm pitch and 0.4 mm pitch ? | | thanks | Greg: I was going to link you to the IPC land pattern c

Re: Why are squares better than round ones?(and a update on my lil' nightmare)

Electronics Forum | Wed Apr 28 12:18:04 EDT 1999 | Scott McKee

| Hello all, | | I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area

Re: Why are squares better than round ones?(and a update on my lil' nightmare)

Electronics Forum | Wed Apr 28 11:16:45 EDT 1999 | Steve Gregory

Hello all, I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area of th

Books for SMT

Electronics Forum | Tue Jan 16 20:34:17 EST 2007 | davef

DAVE�S BOOKSHELF ASSEMBLER�S ESSENTIALS Title: Soldering in ElectronicsAuthor: RJ Klein WassinkPublisher: Electrochemical PublicationsISBN: 090115024XPublication date: December 1989 I know, I know. The book was written in 1989!!!! I use this b

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