Sponsor

Need a Profiler Plan B?
Tired of having to share a thermal profiler across different soldering operations? Add the affordable V-M.O.L.E. 2 four-channel profiler to the mix for time-saving efficiency.
ECD

Sponsor

"Ask the Experts" Program by Circuitnet
Do you have a question or process issue in PCB assembly? The Circuitnet "Ask the Expert's" program has over 100 panel members waiting to answer your question. Submit question now.
Circuitnet Media LLC

Ask the Experts Member

Stephen Schoppe

President
Process Sciences, Inc.

Stephen Schoppe is President of Process Sciences, Inc., and has 19 years experience providing SMT services to electronics manufacturers. Stephen provides consulting to several Fortune 500 clients on solder and SMT processes, and is a frequent guest speaker at SMT industry events.

Stephen Schoppe has submitted responses to the following questions.

Water Wash vs. No-clean
From a CM point of view there would be no reason to add the extra step of cleaning to the ...

Tough Hand Soldering Problem
To offer possible solutions I would need to understand the surface finishes, solder materials and details about your process methods. ...

How To Rework SMT Connector with Center Ground Strip
Reworking the connector you describe is similar to reworking an array device. I would recommend hot air as the heating ...

Legend Marking Discoloration
I will make the assumption that you are using hot air to perform the rework. If this is true you ...

BGA Joint Voids - Accept or Reject?
What you have heard about voids increasing mechanical reliability in BGA solder joints is not necessarily untrue. I am familiar ...

PoP Assembly Options
Consider Option 3 for high volumeprocesses - Place all components in normal SMT, including the bottom package.Then place the top ...

Free Newsletter Subscription
Circuitnet is built for professionals who bear the responsibility of looking ahead, imagining the future, and preparing for it.

Insert Your Email Address

Sponsor

Prototyping to High-Speed Production
From first builds to 22,000 CPH, Manncorp pick & place machines scale with your budget, space, and output goals—so your line grows as you do. Backed by lifetime support.
Manncorp Inc.