|Ask the Experts Member|
Circuit Technology Center
Mr. Price has been a key member of the team at Circuit Technology Center since 1985. He has vast expertise, experience and understanding of complex circuit board rework, repair and modification operations. He is one of the most knowledgeable experts in this area across the globe.
Andy Price has submitted responses to the following questions.
PCB singulation is the process of separating multiple individual circuit board assemblies from the panel form they were assembled in. ...
Delamination Causing Scrap
I am unaware of a method for determining the specific cause of delamination. As others have stated, the most common ...
Small component rework to IPC spec.
As the saying goes, "there is more than one way to skin a cat." In our rework service department we ...
BGA re-balled with lead free spheres
BGA reballing is a primary service that we provide at Circuit Technology Center. The reballing process can be completed utilizing ...
BGA Rework and Repair
BGA rework and a primary service that we provide at Circuit Technology Center. Your question has been repeated numerous times. ...
Acceptable Number of Repairs
The other panel members that have already responded are extremely knowledgeable and well respected and expert in this area. I ...
Problems Hand Soldering 24 Layer Board
This one sounds like a bear! Often when dealing with similar applications we will utilize a combination of the following ...
Cutting inner layer circuits
Cutting internal traces on bare circuit boards or assemblies can be completed utilizing a few different pieces of equipment. In ...
BGA Rework Flux Recommendation
We have very good results using the Nordson RMA Paste Flux P/N 7019057. This is a no clean flux, not ...
Is Rework Unacceptable?
I don't understand your customers concerns in this case, but I believe it is an unusual position. I've heard of ...
BGA Pad Lifting
Pad damage at BGA sites can be repaired reliably following the IPC 7711/7721 Repair guide, procedure 4.7.3 Surface Mount, BGA ...
Ways to Remove Silkscreen Ink from Pads?
Sometimes simple is better. We've used a combination of techniques including an knife tip or probe to scrap the ink ...
Acceptable Conductor Repair
It is difficult to see the quality of the repair in the photo to confirm it meets the criteria for ...
This is a very delicate process. Precise control of the temperature profile is needed to allow the removal of the ...
BGA re-balling process
BGA reballing has been quite common for several years. We utilize a few different pieces of equipment to support the ...
Organic Flux Residue Concerns
With most rework application we are directed to use a No-clean rosin-based flux. When completely activated it is safe to ...
Hand soldering skills
Circuit Technology Center has a kit designed specifically for solder skills development. It is listed under the CircuitMedic product brand. ...
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