Electronics Forum: ax-501 and long and board (Page 1 of 9)

board stretch and IPC -D-300G

Electronics Forum | Mon Nov 12 17:12:40 EST 2001 | slthomas

Thanks, Dave. Three courtesy cheers for specifications written to reflect the capabilities of the part suppliers, even if they fail to meet the purchaser's (not unreasonable) process req'ts. In the meantime, I'm sure my stencil guy would be more

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 12:57:51 EST 2006 | wheels_in_the_well

There are several makes of stencil cleaning equipment. The previous post mentioned, Aqueous Tech (www.aqueoustech.com). Others of long standing high reputation are EMC Global (www.emcgti.com), Austin American Technology (www.aat-corp.com), and Tech

Re: Paste-in_hole and CTE

Electronics Forum | Fri Jul 28 14:34:13 EDT 2000 | Gary Simbulan

Belive it or not, these boards were run through a Centech batch mode Vapor Phase machine. Single stage top side IR preheat. Vapor temp 218 C. Solder paste is an SN62 RMA.The boards were FR4 8 layer w/ solder mask, fairly conventional as might be e

MPM Up2000 and SMEMA

Electronics Forum | Mon Sep 12 09:26:00 EDT 2016 | awhite

Our MPM Up2000 HIE is having a communication problem with any upstream machine we place in front of it...i.e. conveyor, board loader, etc. It all started when we removed a conveyor from inbetween it and a board loader, and hooked those machines up di

solderability and hasl thickness

Electronics Forum | Wed Sep 10 12:56:09 EDT 2003 | davef

Intermetallic compounds [IMC]: * Form during the alloying process of some metals. In soldering these are Sn, Ni, Ag, Cu, Au. * Do not accept solder. * Increase in depth in logarithmic proportion to both time and temperature. [So during the solder

Touch-up and Inspection Process

Electronics Forum | Sun Mar 06 17:39:15 EST 2005 | Darby

1st law of Surface Mount. You WILL run out of parts on the last board going through before a long weekend. 2nd law of Surface Mount. Touchies WILL touch. I'm with Russ and Rob. Touch up is EVIL and should only be tolerated in exceptional circumst

Re: IPC and Nepcon

Electronics Forum | Wed Nov 18 14:42:22 EST 1998 | Dave F

| I heard somewhere that SMEMA has joined IPC, and that the association has decided to boycott Nepcon from | year 2000. Can anyone tell me if this is true | Nick: SMEMA and IPC are talking about merging (EP&P, 11/98, p 18). Below is a news release

Flux Designations and Composition

Electronics Forum | Mon Jul 12 11:35:27 EDT 2004 | Pierre RICHARD

Here are some answers to my questions after a good research. I also added more definitions that could help understand this esoteric language used in assembly, specially surrounding fluxes and their use. In blue italics are comments and extracts from

Re: MoonMan and Tetras

Electronics Forum | Tue Apr 27 05:26:14 EDT 1999 | Charles Stringer

| | Hey MoonMan, | | | | Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. | | | | We we're all set up to go to Tetras, then mgt decided to close down our factory - Dooop!

Re: MoonMan and Tetras

Electronics Forum | Tue Apr 27 09:26:43 EDT 1999 | Chrys Shea

| | | Hey MoonMan, | | | | | | Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. | | | | | | We we're all set up to go to Tetras, then mgt decided to close down our factor

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