circuitnet
Sponsor
Nordson-ASYMTEK

ASYMTEK Select Coat SL-1040
The SL-1040 Conformal Coating System upgrades the SL-940 and added significant system-level advancements to elevate automation, control, precision & preventative maintenance for better yield.
Nordson Electronics Solutions
ECD
Sponsor
SEIKA-America

Sawa Ecobrid Fully Automatic Stencil Cleaner
This cleaner has 2 ultrasonic cleaning head panels for cleaning the front & back sides together. Ultrasonic energy is applied directly to the stencil.
Seika

Ask the Experts Member

INDEX
ASK
PANEL
JOIN
image

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
Uyemura

RAIG Minimizes Corrosion, Allows Higher Gold on ENEPIG
Paper describes a mixed reaction RAIG electrolyte that minimizes galvanic corrosion and allows higher ENEPIG gold thicknesses, enabling robust designs and world-class quality on target with minimal variation.
Uyemura
SEHO