Electronics Forum: components spacing spec (Page 9 of 88)

Starting new soldering process

Electronics Forum | Wed Mar 22 14:46:54 EDT 2017 | solderingpro

Laser Soldering by nature is a very dialed in process. - Requiring specially formulated flux and solder paste applications that will perform while absorbing a massive amount of energy. What I believe "Gary" is attempting to say is: Laser Soldering c

Solder balls

Electronics Forum | Thu Jul 22 16:06:07 EDT 2004 | russ

What is your pad dimensions/spacing at components you are having trouble with

Tombstoning issues!!!

Electronics Forum | Wed Apr 09 21:09:22 EDT 2008 | elias67

Is the stencil opening rectangular? Home Plate? What is the spacing between the pads on the stencil for the component?

IPC Land Pattern Guideline

Electronics Forum | Thu Oct 20 10:31:27 EDT 2011 | ck_the_flip

What is the industry standard pad geometry (dimensions and spacings) for 0402 components?

Component Specs

Electronics Forum | Fri Nov 21 13:19:52 EST 2003 | John

Can anyone make recommendations on how to spec components for process compatibility? Our design group has always done it from an electrical standpoint only. Thanks John

Re: Mil-P-28809

Electronics Forum | Tue Oct 12 05:46:12 EDT 1999 | Brian

| Thank you all for your replies. I guess my age in this industry is showing. This military spec. does not appear to be in existance. So, let me make my request a little more to the point: | | Is anyone aware of a specification specifically refer

How much it costs to building a PCB factory?

Electronics Forum | Sun Feb 05 17:44:47 EST 2017 | spoiltforchoice

Printer->Paste Inspection(which might be a feature of the printer)->High speed placer (for all the little parts)->Accurate Placer(for your BGA Processor,RAM,eMMC and big things that don't fit in the high speed)->Reflow oven->AOI->PCB stacker All of t

Tombstoning 0306's

Electronics Forum | Fri Sep 09 15:02:29 EDT 2005 | russ

What are the Mfg specs for pad layout? I had one that was wrong and we changed the center to center spacing to .032" and the width to .015" wider (.0075" on each side)than the solder terminations and everything was fine. As a general rule I never t

Degolding Pretinning

Electronics Forum | Sun May 02 11:44:03 EDT 2010 | davef

J-STD-001 is your base requirement, but MIL and SPACE have stringent requirements for soldering gold plated terminals, e.g. this typical one: http://xweb.nrl.navy.mil/glast/CALDesign/CDE/CAL%20DPD%20Wire%20Cable%20Soldering%20and%20Staking%20Spec%20

Can local fiducials improve BGA placement?

Electronics Forum | Thu Jun 07 07:11:41 EDT 2001 | stefwitt

8" ). For calculation of the theta angle, the global fiducials should be placed over the diagonal. Component recognition can be improved if your vision system has different light zones. The steep light should be turned off and the flat light turned


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