Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1995-06-05
1998-09-22
Dixon, Merrick
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264291, 264293, 264294, 264306, 264348, 264517, 264571, 264164, 264231, 264232, 264237, B28B 114
Patent
active
058110500
ABSTRACT:
An EMI shield for personal computers, cellular telephones, and other electronic devices is constructed from thermoformable polymeric material which is then metallized on all surfaces by vacuum metallization techniques to provide an inexpensive, lightweight, yet effective EMI shield.
REFERENCES:
patent: 4106839 (1978-08-01), Cooper
patent: 4489116 (1984-12-01), Flood
patent: 4542076 (1985-09-01), Bednarz et al.
patent: 4714905 (1987-12-01), Bernstein et al.
patent: 4933060 (1990-06-01), Prohaska et al.
patent: 4973514 (1990-11-01), Gamble et al.
patent: 4983452 (1991-01-01), Draimon et al.
patent: 4988550 (1991-01-01), Keyser et al.
patent: 5017419 (1991-05-01), Smith
patent: 5028490 (1991-07-01), Koskenmaki et al.
patent: 5047260 (1991-09-01), Durand
patent: 5071519 (1991-12-01), Ferrill et al.
patent: 5084132 (1992-01-01), Smith
patent: 5170009 (1992-12-01), Kadokura
patent: 5180639 (1993-01-01), Zarnoch
patent: 5191544 (1993-03-01), Benck et al.
patent: 5206796 (1993-04-01), Thompson et al.
patent: 5225629 (1993-07-01), Garrett
patent: 5226210 (1993-07-01), Koskenmaki et al.
patent: 5235492 (1993-08-01), Humbert et al.
patent: 5250342 (1993-10-01), Lang et al.
patent: 5270488 (1993-12-01), Ono et al.
Walter Hasler, "Electroplating and Vacuum Metalizing", Technical Report, Balzers Aktiengesellschaft, Lichtenstein, published in Galvanotechnic, 2 (1984).
Dieter Gwinner, "Vacuum Evaporated Aluminum for Selective Shielding of Plastic Housings", ITEM 1993 the International Jrnl of EMC, 1993.
Kimmel & Gerke, "Chapter 7: Shielding of EMI control . . . and how to do it right", EDN, Jan, 2, 1994 Supplement.
"EMI Protection in Consumer Portable Products", Electronic Packaging and Production, Mar. 1994.
Leonard, "What's hot and what's not in EMI shielding of plastics", Plastics Design Forum, Mar./Apr. 1993.
Minnesota Mining & Mfg. Co., "6100 Thermoformable EMI-Shielding Material", 1994.
"Silver-Coated VALOX FR-1 Film Provides Shielding For Circuit Breakers," GE Films in Action, Jun. 1994, General Electric Co.
"Orion.RTM. Designs Economical EMI Shielding Box Without Cutting Corners", product brochure, Orion Industries Incorporated.
Concise Encyclopedia of Polymer Science & Engineering, John Wiley & Sons, 1990 ISBN 0-471-51253-2, pp. 446-447, 744-746, 1192-1195.
Degassing of Plastic Material/Plasticizers, L. Hollard, "Vacuum Deposition of Thin Films", Chapman & Hall Ltd., London 1966, pp. 46-47, 52-53.
Aluminum Evaporation (Time-Temp.) T. LaBounty, "How Do Others Metallize?", Midwest Technical Service, Tips, 1980 p. 19.
"Machinery's Handbook", E. Grerg, F. Jones and A. Horton, Industrial Press, New York, NY 1976, pp. 2299-2301.
D. Rigney, "Vacuum Coating", pp. 387-388, 390-410.
Leon I. Maissel & Reinhard Glang, "Handbook of Thin-Film Technology", McGraw-Hill 1970, pp. 1-7, 8; 1-26 et seq; 1-38, 39.
Placon Corp., Madison, Wisconsin Sales Brochure.
Gabower, John H. (Jack), Thermoformed Vacuum Metallized Inserts For EMI Shielding of Electronic Devices, Consumer Electronics Show, Flamingo Hilton and Tower, Las Vegas, Nevada.
Adams, Frank; "Taking the Mystery Out of Metallizing"; Technical Publishing Company, 1975, 1976.
Midwest Tungsten Service, Tips -- Vacuum Metallizing Electreical Problems, 1986.
Mooney, "Trend to Lower Cost Resins Will Accelerate", Plastics World, Apr. 1995.
"Style CBS Circuit Board Component Shielding -- Design Guide 4", product brochure, Leader Tech, Tampa, Florida.
Product Announcement, BMI, Inc., "Modular Shielding System" EE-Evaluation Engineering, Apr. 1995.
Ultrasonic Welders Advance Clamshell-Sealing Process, Packaging, Oct. 1994.
"Methods of Controlling EMI", EMI/RFI Shielding Guide, General Electric Plastics Co.
Chomerics, Inc., "EMI Shielding for Commercial Electronics", 1994.
Gabower, Jack (John H.), "Thermoformed Vacuum -- Metallized Inserts for EMI Shielding", Item 1995 -- The International Journal of EMC, Robar Industries, Inc., 1995, pp. 120, 122, 127.
Vacuum Platers, Inc., "VAEMAT High Performance Vacuum Evaporated Film Coatings", Product Data Sheet.
Vacuum Platers, Inc., Advertising Folder.
Dixon Merrick
Harms Allan L.
LandOfFree
Electromagnetic interference shield for electronic devices does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electromagnetic interference shield for electronic devices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electromagnetic interference shield for electronic devices will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1619870