cleaning process
TRANSCRIPT
ing solution having megasonic en- ergy projected therethrough; and providing gas bubbles to a posi- tion relative to the surface of the substrate assembly such that the gas bubbles pass naturally in the cleaning solution across the sur- face.
CLEANING PROCESS
U.S. Patent 5,849,106. Dec. 15, 1998 P.L. Bolden et al., assignors to Petroferm Inc., Fernandina Beach, Flu.
A method for removing an or- ganic residue of soldering flux from a metallic or plastic surface contaminated therewith com- prising contacting with a clean- ing composition consisting es- sentially of a substantially
water-insoluble monobasic acid ester present in an amount in excess of 50% by weight; main- taining contact with the surface for a period of time at least suf- ficient to solubilize the residue; and removing the cleaning com- position and solubilizing residue from the surface.
SOL COATING OF METALS
U.S. Patent 5,849,110. Dec. 15, 1999 K.Y. Blohowiak et al., assignors to The Boeing Co., Seattle
A method for enhancing corrosion resistance and adhesion to a metal surface comprising clean- ing and activating the surface; ap- plying to the surface to form a coating, an alkoxyzirconium aqueous sol and drying at a tem-
perature in the range from ambi- ent to 250°F to form a sol-gel film, the film forming a metal-to-or- ganic interface to increase adhe- sion of organic adhesives or resins to the metal.
SPUrCERlNG DEVICE
U.S. Patent 5,849,162. Dec. 15, 1998 L.A. Bartolomei et al., assignors to Deposition Sciences Inc., Santa Rosa, Calif:
A method for reactive coating of substrates comprising providing a vacuum chamber and moving substrates therein, providing a first device in the form of a planar magnetron sputtering target posi- tioned at a work station adjacent to the moving substrates, creating a plasma adapted for sputtering
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70 Metal Finishing