Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1997-09-22
1999-07-27
Alexander, Lyle A.
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 13, 134 3, 134 15, 134 19, 134 26, 134 28, 134 30, 134 31, 134 32, 134 34, 134 36, 134 76, 134135, B08B 304
Patent
active
059284323
ABSTRACT:
A degreasing and cleaning method for cleaning circuit boards and the like has a first, wash sump containing a boiling, environmentally friendly wash material and a second, rinse, sump containing an environmentally friendly rinse material, separated by a weir. An anti-splash and surge control fence is mounted on top of the weir to control splashing and spill-over between the sumps. The wash sump contains a plurality of spray wands and a programmed hoist pans the carrier of the boards past the spray wands in incremental steps. After the wash cycle, the carrier is introduced into the second, rinse, sump and then given a final vapor rinse. The temperature ranges in which the apparatus is operated yield optimum cleaning.
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Foederl Frank X.
Lomax Carson Ray
Sunderland David Cutlar
Alexander Lyle A.
Carrillo S.
Lucent Techologies Inc.
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