Electronics Forum: unwetting and metal (Page 5 of 10)

floor and air conditioning, shop floor requirements

Electronics Forum | Tue May 07 03:56:30 EDT 2013 | pavel_murtishev

Davef, Thank you. I wonder if you have ever faced with concrete layer thickness selection for SMT shops? All I have found refers to metal treatment shops (primarily milling & drilling). 6" concrete is thick enough for them to stabilize milling machi

Re: Solder Paste and Stencil questions

Electronics Forum | Tue Oct 12 22:22:34 EDT 1999 | se

| Hi, | We are in the process of evaluate our solder paste,incoming inspection over the solder paste, stencil requirments: | | 1- Is anybody using/requiring 1000 Kcps or more on viscosity to your solder paste provider ? Why ?? | 2- Is anybody using

Lead/Lead Free In-Line Wash and UT cleaners

Electronics Forum | Mon Oct 03 22:16:58 EDT 2005 | Ken

If that's the case, let your customer go. I have run into this situation recently. Q. Why do you not run a dedicated line for lead free? A. You (the customer) give less than 12 weeks forcast and expect us to have a dedicated line for your product?

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 15:20:25 EDT 1999 | John Thorup

| Hi, | I'd like to ask some tips about the merits and shortcomings o | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | application? | The boards contain no BGA and

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 17:59:09 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 18:10:33 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain

Conductive contamination and the elusive solution

Electronics Forum | Fri Jul 13 09:27:15 EDT 2007 | losersk8er

Sorry I have just started working in this industry so I am not as familiar with everything. The probelm is with the Product shorting because of small pieces of metal stretching accross two leads of an IC. This could be a result of faulty equipment?

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,

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 21:10:23 EDT 1999 | se

| | | Hi, | | | I'd like to ask some tips about the merits and shortcomings o | | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | | application? | | | The board

Re: Bow and Twist of PCB's

Electronics Forum | Wed Aug 19 08:00:55 EDT 1998 | Earl Moon

| Hi there, | I'm actually facing a lot of trouble with PCB's presenting up to 3mm of bow /twist at reception i.e. before assembly. The PCB size is 220 by 230mm. The boards are to be assembeled SMD double sides with 05.mm pitch on both sides. In orde


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