35 0.4 mm pitch bga flex results

Electronics Forum: 0.4 mm pitch bga flex (Page 1 of 4)

0.4 mm Pitch BGA stencil design

Electronics Forum | Mon Nov 01 10:29:13 EDT 2010 | scottp

I've searched the archives and maybe my search skills aren't up to snuff but I couldn't find much. I'm curious what people are doing for 0.4 mm pitch BGAs, assuming a type 4 paste. Pad diameter? SMD or NSMD? Stencil thickness? Aperture diameter? Us

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

Electronics Forum | Thu Nov 14 10:52:56 EST 2019 | jandon

Maybe something like this could work?

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

Electronics Forum | Tue Nov 12 00:49:37 EST 2019 | myke03o

I am optimizing a stencil opening for BGA with 0.4mm pitch and pad diameter of 0.2mm. Can anyone advice of stencil thickness and stencil opening I can use in order to have a good paste release. Thanks for all your answers.

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.

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.

0.4mm pitch CSP Dummy Component

Electronics Forum | Tue Mar 05 22:35:49 EST 2002 | Nell

Hi Pete and Dave, I already check with Practical component, Tessera and TopLine Dummy component they said they only have up to 0.5mm pitch CSP. Anyway, thanks for your input... Do both of you know in the market right now is there any 0.4mm pitch C

672 PBGA on PC Card .015 thick pcb

Electronics Forum | Thu Oct 11 22:25:50 EDT 2001 | davef

Bruce I�m with yall. Designers and fabricators say �pins�. You say: * BGA pins are 1mm [0.039�] pitch. * BGA pads are 0.4mm [0.0157�] diameter. * BGA pins are 0.6 mm [0.024�] side-to-side. * Board thickness is ~0.4 mm [0.015�] First, as you can

Step-up stencil: recommendation thickness

Electronics Forum | Tue Aug 20 21:39:29 EDT 2019 | sssamw

6 mil (0.15mm) for the 1.13mm pitch BGA, and 4 mil (0.1mm) for the smal QFN with 0.4mm pitch.

screen printer from MPM

Electronics Forum | Fri Feb 06 15:52:18 EST 2004 | pjc

SPM is superior in terms of technology and application. SPM has larger print area, up to 20� x 19", vs. 17.7� x 15.7� for the MicroFlex. MicroFlex is microprocessor controlled while the SPM has a PC. SPM can print down to 12mil (0.3mm) fine pitch no

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