Electronics Forum: measuring electrical clearance (Page 1 of 10)

CSP assembly compliance to IPC-A-610 minimum electrical clearance

Electronics Forum | Wed Sep 12 03:52:45 EDT 2018 | shascoet29

Hi, Is the IPC-A-610 applicable to CSP assemblies? Especially regarding the solder ball to solder ball distance versus the minimum electrical clearance for assembly(0.13mm/IPC-A-610). With a 0.4mm pitch component and 260 microns diameters balls, thi

electrical test

Electronics Forum | Thu Jul 27 16:54:46 EDT 2006 | pjc

In-Circuit test, or ICT, is the most common method of electrical test for an assembled PCB. It is the most comprehensive and accurate method to ensure that both the PWB and components are working to specification. Not all components however can be el

What is electrical clearance?

Electronics Forum | Thu May 26 21:04:04 EDT 2005 | thaqalain

What is electrical clearance?

mydata electrical test results

Electronics Forum | Tue Jun 08 22:30:05 EDT 2021 | vtdivtecs

So I am having a little trouble with my mydata MY19. its an older machine picked up used and its had its quirks. recently we tried to start adding electrical verification to our workflow, and had to disable it as we were getting intermittent bad pa

AOI vs. electrical test

Electronics Forum | Wed Jan 04 12:48:34 EST 2006 | pjc

In-Circuit Test is the best method for ensuring solder joint connections. It is a much more reliable than AOI. An ICT machine can ensure solder connections are made for array package devices such as BGA, PGA, etc... AOI is best for component I.D.- is

Solder balls under LLP

Electronics Forum | Fri Aug 26 17:27:48 EDT 2005 | saragorcos

Hello there, Most probably, since the solder balls are entrapped, it is a process indicator, but refer to IPC 610-6.5.3.1 on Excess solder / solder balls / splashes - it really depends on what class you are manufacturing, and the minimum electrical c

Referee Call on Solder Balls

Electronics Forum | Thu Jan 31 13:01:33 EST 2013 | kmots15

Defect if its not coated. Defect - Class 1,2,3 • Solder balls are not entrapped, encapsulated or attached or can become dislodged in the normal service environment. • Solder balls violate minimum electrical clearance.

solder ball

Electronics Forum | Wed Jan 01 22:19:33 EST 2020 | sssamw

Solder ball attached on solder joint without violation minimum electrical clearance is acceptable. If your process parameter including stencil not changed, suggest you check if solder pasted being pushed out after IC placement, also check if solder j

PCB Through Hole Size for Lead Free

Electronics Forum | Thu Nov 08 19:56:08 EST 2007 | davef

Josh: Your 0.009" [0.228 mm] clearance should be fine. The minimum clearance should be ~0.008" [0.20 mm]. Is the 0.039" [0.99 mm] the measured or the expected hole diameter? While we wouldn't like it, we wouldn't be surprised to see 0.008" [0.20 mm

minimum solder ball (bead) size

Electronics Forum | Tue Jun 06 11:57:12 EDT 2006 | Chunks

IPC 610 says acceptable Class 1 (Class 2, 3 indicator) if they are entrapped/encpsulated balls within 0.13mm of lands or pads. or exceed 0.13mm in diameter. Defect Class 1,2,3: Solder ball violates min electrical clearance. Solder balls not entrap

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