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PCB Rework Evolves, With X-ray a Constant Support
Mini Micro Stencil, a contract manufacturer focused on PCB rework, has relied on real-time X-ray inspection to verify its precision rework as the industry has evolved over 30 years.
Glenbrook Technologies
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| Ask the Experts |
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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
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| 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.
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Need Improved Solder Joint Visibility?
Solder Peel-A-Wayš Removable Terminal Carriers in place and peel the carrier away for complete solder joint visibility on both sides of the PCB. Watch a video to see it in action.
Advanced Interconnections Corp.
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