Electronics Forum: designed (Page 166 of 537)

CCGA - Stencil design and Reflow Profiling

Electronics Forum | Tue Jul 30 12:47:56 EDT 2019 | davef

Ameen: Send me your email address by selecting the link under my avatar to the left. Thanks.

CCGA - Stencil design and Reflow Profiling

Electronics Forum | Wed Aug 07 02:24:54 EDT 2019 | ameenullakhan

Hi Dave, Yes the lead was there before reflow. After reflow it has bent inside. The component was inspected before placement. We are unable to analyze, what might have went wrong. Regards, Ameen

CCGA - Stencil design and Reflow Profiling

Electronics Forum | Fri Aug 09 03:59:35 EDT 2019 | sssamw

Did you check the pin location accuracy before placement? I mean if possible pin was hit or misaligned a little before placement, so the pin cannot inserted in hole then bent. And maybe you need contact your component supplier to study together.

CCGA - Stencil design and Reflow Profiling

Electronics Forum | Wed Aug 21 13:28:20 EDT 2019 | ameenullakhan

And what is the solder paste selection recommendation for the same. 1. Water soluble ( organic based flux solder based ) 2. No clean ( rosin or resin based solder paste ) customer is suggesting water soluble chemistry , which is having lot hot an

Buying a new Reflow

Electronics Forum | Thu Jul 25 23:47:22 EDT 2019 | vickygao

Hello, We are a SMT&DIP machines factory.Last week we designed a new reflow oven, if you are interested, pls email us : vicky@obsmt.com. Thanks! With BR, Vicky Gao

Why you need a PCB and how do you Design one?

Electronics Forum | Mon Oct 14 08:59:09 EDT 2019 | spoiltforchoice

Specially trained imps with tiny pickaxes cut the channels in the copper.

Magazine loader/unloader & magazines

Electronics Forum | Fri Nov 08 14:42:31 EST 2019 | rlising

Hi, wondering if anyone has encountered a magazine loader & magazines that hold 550mm in length. We are designing led strips and that is our longest config. All I have been able to find is 535mm with 50 slots. Any help would be appreciated. Than

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 18:25:07 EST 2019 | myke03o

Hi Jandon, Thanks, I will try it on my DOE.

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 21:47:41 EST 2019 | sssamw

Yes, 0.25x0.25 square could work @0.1 thickness, use nano-coating or electroform stencil for better solder paste release.

Stencil Design for BGA with 0.2 mm Diameter Pad and 0.4 mm pitch

Electronics Forum | Thu Nov 14 22:24:43 EST 2019 | dman97

Use a type 5 solder for maximum paste release.


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