Sponsor

Plan Ahead for BGA Device Upgrades
BGA Socket Adapter Systems convert surface mount device packages to through-hole (pinned) assemblies, making it easy to plug and unplug SMT devices in the field or the test lab.
Advanced Interconnections Corp.

Rentals and Rent to Purchase x-ray Systems

Sponsor

Maybe it's the thermocouple connection
If your thermal profiling readings seem inconsistent, the culprit could be your thermocouple attachment method. A recently conducted study revealed some interesting findings.
ECD

Ask the Experts

August 7, 2006 - Updated
July 5, 2007 - Originally Posted

Aqueous cleaner water tested for the Lead

Is it necessary to have the water in your aqueous cleaner tested for the Lead Free banned substances? Mercury, Cadmium, Hexavalent Chromium, Polybrominated Biphenyls (PBB), Polybrominated Diphenyl Ethers (PBDE).

Ray Whittier

Expert Panel Responses

Discharge water from an aqueous cleaning system should be tested for any banned or limit controlled substances. I doubt you will find any of the other RoHs substanses in the discharge water. Most regions are concerned about substances not common in de-fluxing applications. Historically, lead (in solution and in particulate form) was the primary concern. Ph can be a concern in some regions. Consult with your local regulators to be sure as specific toxic "deal-breakers" vary from city to city.

Mike Konrad
President, Aqueous Technologies

Mr. Konrad has been in the electronic assembly equipment industry since 1985. He is founder and CEO of Aqueous Technologies Corporation, a manufacturer of automatic de-fluxing equipment, chemicals, and cleanliness testing systems.

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

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