circuitnet
Sponsor
Plasma-Etch

Plasma Clean, Etch and RIE in One Machine
The PE-100 convertible allows you to perform plasma cleaning, isotropic etching and reactive ion etching(RIE) in the same system!
Plasma Etch
ECD
Sponsor
Viscom-SE

Discover the power of vAI ProVision from Viscom
Create and optimize 3D AOI and AXI programs in minutes. vAI ProVision boosts inspection depth, quality, and speed. Viscom develops & produces premium inspection systems.
Viscom SE

Ask the Experts Member

INDEX
ASK
PANEL
JOIN
image

Yun Zhang


R&D Director
Cookson Electronics, Enthone

Ms. Zhang has a PhD in chemistry/electrochemistry. Experiences include AT&T/Lucent Bell Labs, Technic, Cookson Electronics/Enthone. Areas of expertise include: electroplating; Sn whiskers, wafer bumping, Cu post/pillar, Cu redistribution lines and Sn and SnAg bumps.

Yun Zhang has submitted responses to the following questions.
Tin Whiskers
Vacuum would help but will not prevent it. The only way to prevent whisker growth under any condition is to ...
Coating to stop tin whisker growth?
There is no conformal coating known to stop tin whisker growth. ...
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
kyzen

Electronic Assembly Cleaning Basics
Monitoring & effectively controlling chemistry concentration when cleaning electronic assemblies is crucial for maintaining optimal cleanliness results & preventing costly consequences.
KYZEN
SEIKA-America