Source: http://www.google.com/patents/US4393808?dq=6,272,646
Timestamp: 2016-12-08 22:41:37
Document Index: 719634281

Matched Legal Cases: ['art 10', 'art 10', 'arts 10', 'arts 10', 'arts 10', 'arts 10', 'arts 10', 'arts 10', 'arts 10']

Patent US4393808 - Means for processing miniature electronic components - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsSides rather than ends of miniature right-rectangular electronic parts are oriented for coating by disposing the ends of the parts in the resiliently coated passageways of a part handling plate and then raking parts to tip them into the passageways with their sides exposed. The parts are loaded into...http://www.google.com/patents/US4393808?utm_source=gb-gplus-sharePatent US4393808 - Means for processing miniature electronic componentsAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS4393808 APublication typeGrantApplication numberUS 06/195,347Publication dateJul 19, 1983Filing dateOct 9, 1980Priority dateOct 9, 1980Publication number06195347, 195347, US 4393808 A, US 4393808A, US-A-4393808, US4393808 A, US4393808AInventorsDenver BradenOriginal AssigneePalomar Systems & Machines, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (5), Referenced by (41), Classifications (8), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetMeans for processing miniature electronic components
For convenience in description and claiming, I will provide nomenclature for the surfaces of miniature electronic components 10. Such part 10 could be a chip capacitor or resistor, for examples. An example of dimensions would be about 0.140"×0.120"×0.040", but of course the part could be larger or smaller than that. The shape of each part 10 is generally right rectangular with a greater length dimension from end surface 12 to end surface 12 than width dimension from side surface 14 to side surface 14 and with a greater width dimension from side surface 14 to side surface 14 than thickness dimension from face surface 16 to face surface 16. A capacitor, for example, has a series of conductive layers or laminas 18 in planes paralell to the planes of face surfaces 16. Conductive laminas 18 are separated by nonconductive layers or laminas 20. Conductive layers in such capacitors are interfingered as to electrical connection to opposite edges of parts 10. How the interfingering is accomplished, so that only every other conductive layer 18 will be exposed at one of said side surfaces 14, is not part of the present invention and was known in the art before the present invention. Such parts 10 need to have conductive coatings applied to opposite edges so that electrical conductors can be soldered thereto. In substrate fabrication, it is sometimes desirable to solder to side edges rather than end edges, for reasons that will be understood by those skilled in the art. The purpose of my process and means is to apply coatings 22 to side surfaces 14.
Each opening 50 starts with an upper cross-section 52 generally circular and tapers in a conical manner towards the lower face of part loading plate 30 while diametrically opposite portions 54 are being formed as ends of an oblong opening generally matching but generously accomodating the size of end surfaces 12, i.e., the lateral cross-section of the part. When parts 10 are disposed in hopper cavity 24 on top of part loading plate and are subjected to vibration and vacuum the parts are unstable until they end up fully engaged in openings 50. When so fully engaged in openings 50, the parts 10 are oriented end first towards part handling plate 32 and with the major and minor axes of their transverse cross-sections aligned with the rows and files of openings 50. In processing the part cited above (0.140"×0.120"×0.040"), a prototype used a load plate 30 that was 0.187" thick.
Part handling plate 32 has a series of slots 60 in juxtaposed rows extending from face to face of plate 32, matching in numbers and general locations openings 50 in part loading plate 30. Slots 60 also may be arranged in files laterally of those rows. The slots have walls formed of resilient material selected from various applicable plastics or natural or artificial rubbers, such as pliable silicone rubber. As shown in FIGS. 8 & 9, plate 32 is formed of metal with a recess 62 in each face extending throughout the major portions of the face to the marginal areas 64. This leaves a central web 66 of metal which has a multiplicity of slots 68 that are like slots 60 but larger, i.e., slots 60 represent a coating inside of slots 68. The resilient plastic material 70 fills recesses 62 and slots 68 except for leaving part receiving slots 60 extending through plate 32 from face to face. Resilient material 70 provides resilient walls for slots 68 to receive and grip parts 10. Slots 60 in original manufacture are cast with lateral dimensions less than the thickness dimension of parts 10 from face surface 16 to face surface 16, in order to positively grip parts 10. In a protoype in handling the part cited above (0.140"×0.120"×0.040"), the resilient material 70 was cast in plate 32 with dimensions for slots 60 of 0.250 long and 0.030 wide.
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(a Delaware corp.)Chip selection in automatic assembly of integrated circuitEP0250787A2 *May 7, 1987Jan 7, 1988Electro Scientific Industries, Inc.Composite carrier plateEP0250787A3 *May 7, 1987Apr 25, 1990Electro Scientific Industries, Inc.Composite carrier plateEP0289409A1 *Apr 22, 1988Nov 2, 1988Compagnie Europeenne De Composants Electroniques LccDevice for distributing elements in numbers on plates* Cited by examinerClassifications U.S. Classification118/503, 414/416.09International ClassificationB05C13/02, H05K13/02Cooperative ClassificationH05K13/028, B05C13/02European ClassificationH05K13/02H, B05C13/02Legal EventsDateCodeEventDescriptionJul 27, 1987ASAssignmentOwner name: ELECTRO SCIENTIFIC INDUSTRIES, INC., 13900 NW SCIEFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:PALOMAR SYSTEMS & MACHINES, INC., A OR CORP.;REEL/FRAME:004743/0847Effective date: 19870715Owner name: ELECTRO SCIENTIFIC INDUSTRIES, INC., OREGONFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PALOMAR SYSTEMS & MACHINES, INC., A OR CORP.;REEL/FRAME:004743/0847Effective date: 19870715RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services