Electroforming Process U.S. Patent 5614,075. Mar. 251997 L.E. Andrea, Bedford, Texas A method of fabricating a metallic, three-dimensional object or part comprising determining dimensional boundaries of the part within a computer CAD/CAM system; providing a reference surface; forming a first incremental layer of polymeric mold material on the reference surface, the incremental layer being selectively interrupted to define at least one dimensional boundary of the part; forming a first incremental layer of metallic part material upon at least the interruption in the first incremental layer of mold material, wherein a second reference surface is defined by the first incremental layer of mold material and the first layer of part material; forming a second incremental layer of polymeric mold material upon the second reference surface, the second incremental layer being selectively interrupted to define another at least one dimension of the part; forming a second incremental layer of metallic part material upon at least the second reference surface; repeating until all dimensional boundaries are defined and the part is fully fabricated, wherein each of the steps is implemented and controlled by a central controller. Electroetching Process U.S. Patent 5,614,076. Mar. 25, 1997 D.J. Brophv et al., a&gnofs to IBM Corp., Annonk, N.Y A method and tool for electroetching a masked workpiece, comprising fixing it to a portion of a sidewall of an electrolyte reservoir tank, mounting two movable cathode assemblies on guide rails via at least one transverse support member to the electrolyte reservoir tank, driving means for driving the two movable cathode assemblies in synchro- nous unison motion across respective oppos- ing surfaces of the masked workpiece; and upon flowing electrolyte simultaneously ap- plying an electrical field through the two movable cathode assemblies and thereby electroetching the masked workpiece. Filter Manufactured by Electropolishing U.S. Patent 5614,093. Mar. 257997 H.H. Mueggenburg et al, assignors to Aerojet- Genera/ Corp., Sacramento, Catif. A self-cleaning microscopic pore filter comprising a substantially planar laminate of platelets, each less than 0.1 in. in thick- ness and etched by electropolishing in pat- terns such that the etched regions of adja- cent platelets overlap to form a plurality of flow passages sufficiently small to block passage of particles exceeding 0.01 in. in diameter. Detackifying Paint Spray Booth Water U.S. Patent 5614,103. Mar. 25, 1997 H.B. Agree et a/., assignors to BetzDearborn Inc., Trevose, Pa. A method for detackifying or coagulating and flocculating waterborne and mixed waterborne/solvent-borne paints in paint spray booth water comprising adding an effective detackifying or coagulating and flocculating amount of a composition comprising a water-soluble or dispersible co- polymer of tannin and a cationic monomer and aluminum chlorohydrate. Laser System for Plating Vias U.S. Patent 5,614,114. Mar. 25, 1997 M.D. Owen, assignor to E/ectro Scientific industries Inc., Portland, Ore. Aluminum’s FirstLineof Defense Against. Corrosion Protect your parts with MICCROSEAL, the inorganic corrosion inhibitor that coats, impregnates, and seals. Applied over a chromate film, MICCROSEAL significantly increases corrosion protection for cast or extruded aluminum, zinc, and magnesium. FEATURES INCLUDE: ??Withstands temperatures from -80” to 750°F ??Unaffected by brake or engine fluids ??Does not affect dimensional tolerance ??Also acts as an impregnation material . Meets automotive standards NO white Corrosion Coated 1989, Automotive Manifold 9 years. . . 159,m miles.. I 168 Hours Sal t Spray Test - Miccroseal Coated Circle 047 on reader information card 70 ML= IHL I-IPJI~I-IIIYU ?? DEGtMBtH 1YYl

Electroforming process

Download PDF Report

Upload
lethu
View
216
Download
0

Embed Size (px)

Citation preview

Electroforming Process U.S. Patent 5614,075. Mar. 251997 L.E. Andrea, Bedford, Texas

A method of fabricating a metallic, three-dimensional object or part comprising determining dimensional boundaries of the part within a computer CAD/CAM system; providing a reference surface; forming a first incremental layer of polymeric mold material on the reference surface, the incremental layer being selectively interrupted to define at least one dimensional boundary of the part; forming a first incremental layer of metallic part material upon at least the interruption in the first incremental layer of mold material, wherein a second reference surface is defined by the first incremental layer of mold material and the first layer of part material; forming a second incremental layer of polymeric mold material upon the second reference surface, the second incremental layer being selectively interrupted to define another at least one dimension of the part; forming a second incremental layer of metallic part material upon at least the second reference surface; repeating until all dimensional boundaries are defined and the part is fully fabricated, wherein each of the steps is

implemented and controlled by a central controller.

Electroetching Process U.S. Patent 5,614,076. Mar. 25, 1997 D.J. Brophv et al., a&gnofs to IBM Corp., Annonk, N.Y

A method and tool for electroetching a masked workpiece, comprising fixing it to a portion of a sidewall of an electrolyte reservoir tank, mounting two movable cathode assemblies on guide rails via at least one transverse support member to the electrolyte reservoir tank, driving means for driving the two movable cathode assemblies in synchro- nous unison motion across respective oppos- ing surfaces of the masked workpiece; and upon flowing electrolyte simultaneously ap- plying an electrical field through the two movable cathode assemblies and thereby electroetching the masked workpiece.

Filter Manufactured by Electropolishing U.S. Patent 5614,093. Mar. 257997 H.H. Mueggenburg et al, assignors to Aerojet- Genera/ Corp., Sacramento, Catif.

A self-cleaning microscopic pore filter comprising a substantially planar laminate

of platelets, each less than 0.1 in. in thick- ness and etched by electropolishing in pat- terns such that the etched regions of adja- cent platelets overlap to form a plurality of flow passages sufficiently small to block passage of particles exceeding 0.01 in. in diameter.

Detackifying Paint Spray Booth Water U.S. Patent 5614,103. Mar. 25, 1997 H.B. Agree et a/., assignors to BetzDearborn Inc., Trevose, Pa.

A method for detackifying or coagulating and flocculating waterborne and mixed waterborne/solvent-borne paints in paint spray booth water comprising adding an effective detackifying or coagulating and flocculating amount of a composition comprising a water-soluble or dispersible co- polymer of tannin and a cationic monomer and aluminum chlorohydrate.

Laser System for Plating Vias U.S. Patent 5,614,114. Mar. 25, 1997 M.D. Owen, assignor to E/ectro Scientific industries Inc., Portland, Ore.

Aluminum’s First Line of Defense Against. Corrosion

Protect your parts with MICCROSEAL, the inorganic corrosion inhibitor that coats, impregnates, and seals. Applied over a chromate film, MICCROSEAL significantly increases corrosion protection for cast or extruded aluminum, zinc, and magnesium.

FEATURES INCLUDE: ??Withstands temperatures

from -80” to 750°F

??Unaffected by brake or engine fluids

??Does not affect dimensional tolerance

??Also acts as an impregnation material

. Meets automotive standards

NO white Corrosion Coated 1989, Automotive Manifold

9 years. . . 159,m miles..

I 168 Hours Sal t Spray Test - Miccroseal Coated

Circle 047 on reader information card

70 ML= IHL I-IPJI~I-IIIYU ?? DEGtMBtH 1YYl