Electronics Forum: designation (Page 166 of 537)

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.

Solder balls

Electronics Forum | Mon Nov 18 04:04:43 EST 2019 | ramesh_10377

hi initially, as per PCB design and gerber file of PCB we got 5 mil stencil, during process observed lot of solder balls (70-80%), then we decided to go for 4 mil stencil with c-cut. now the problem is reduced and still solderball exists which is a

Do you allow manufacturer changes to your PCB design?

Electronics Forum | Mon Dec 02 00:44:25 EST 2019 | luciano_zhang

yes I think that make sense but are there any good way to let both sides win?

Do you allow manufacturer changes to your PCB design?

Electronics Forum | Sun Dec 22 21:17:22 EST 2019 | Elsa

Yes,you are right! It mainly depends on the customer! We are a professional PCB&PCBA supplier from China.If you heve any questions ,please contact me via email .sales@posinpcb.com.Thanks.


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