GB2397172A - A shadow-creating apparatus - Google Patents

A shadow-creating apparatus Download PDF

Info

Publication number
GB2397172A
GB2397172A GB0407477A GB0407477A GB2397172A GB 2397172 A GB2397172 A GB 2397172A GB 0407477 A GB0407477 A GB 0407477A GB 0407477 A GB0407477 A GB 0407477A GB 2397172 A GB2397172 A GB 2397172A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
chip
side
front
shadow
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0407477A
Other versions
GB2397172B (en )
GB0407477D0 (en )
Inventor
Malcolm V Hawkes
Jon Stuart Wright
Robert S Burgoyne
Jeffrey L Fish
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electro Scientific Industries Inc
Original Assignee
Electro Scientific Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956Inspecting patterns on the surface of objects
    • G01N21/95684Patterns showing highly reflecting parts, e.g. metallic elements

Abstract

An apparatus (12) or accurately locating a micro-electronic chip (9) in a chip-holding cavity (28) for visual testing, the chip (9) having at least a front wall and a pair of opposed, spaced-apart side walls, wherein the front wall meets with each of the side walls to form opposed, spaced-apart first and second front edges, comprising a cavity side wall formed to juxtapositionally about at least one of the side walls of the chip, the cavity side wall having formed therein a depression creating a shadow projecting forward from the depression, wherein the first front edge of the chip (9) forms a border of the shadow to form an objectively measurable contrast in grayness between the shadow and the chip (9).

Description

GB 2397172 A continuation (74) Agent and/or Address for Service: Forrester

Ketley & Co Forrester House, 52 Bounds Green Road, LONDON, N11 2EY, United Kingdom

GB0407477A 2001-11-27 2002-11-14 A shadow-creating apparatus Expired - Fee Related GB2397172B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US33369001 true 2001-11-27 2001-11-27
PCT/US2002/036619 WO2003046510B1 (en) 2001-11-27 2002-11-14 A shadow-creating apparatus

Publications (3)

Publication Number Publication Date
GB0407477D0 GB0407477D0 (en) 2004-05-05
GB2397172A true true GB2397172A (en) 2004-07-14
GB2397172B GB2397172B (en) 2005-05-11

Family

ID=23303855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0407477A Expired - Fee Related GB2397172B (en) 2001-11-27 2002-11-14 A shadow-creating apparatus

Country Status (6)

Country Link
JP (1) JP2005523424A (en)
KR (1) KR20040062572A (en)
CN (1) CN1328775C (en)
DE (1) DE10297486T5 (en)
GB (1) GB2397172B (en)
WO (1) WO2003046510B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2016190021A1 (en) * 2015-05-26 2018-03-08 住友化学株式会社 A polarizing plate for the production of clean room

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312117A (en) * 1977-09-01 1982-01-26 Raytheon Company Integrated test and assembly device
US5088190A (en) * 1990-08-30 1992-02-18 Texas Instruments Incorporated Method of forming an apparatus for burn in testing of integrated circuit chip
US5123850A (en) * 1990-04-06 1992-06-23 Texas Instruments Incorporated Non-destructive burn-in test socket for integrated circuit die
US5543725A (en) * 1993-08-25 1996-08-06 Sunright Limited Reusable carrier for burn-in/testing on non packaged die

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312117A (en) * 1977-09-01 1982-01-26 Raytheon Company Integrated test and assembly device
US5123850A (en) * 1990-04-06 1992-06-23 Texas Instruments Incorporated Non-destructive burn-in test socket for integrated circuit die
US5088190A (en) * 1990-08-30 1992-02-18 Texas Instruments Incorporated Method of forming an apparatus for burn in testing of integrated circuit chip
US5543725A (en) * 1993-08-25 1996-08-06 Sunright Limited Reusable carrier for burn-in/testing on non packaged die

Also Published As

Publication number Publication date Type
DE10297486T5 (en) 2004-12-02 application
CN1328775C (en) 2007-07-25 grant
GB2397172B (en) 2005-05-11 grant
JP2005523424A (en) 2005-08-04 application
WO2003046510A3 (en) 2003-11-27 application
WO2003046510A2 (en) 2003-06-05 application
WO2003046510B1 (en) 2004-04-29 application
WO2003046510A9 (en) 2004-03-25 application
KR20040062572A (en) 2004-07-07 application
CN1575513A (en) 2005-02-02 application
GB0407477D0 (en) 2004-05-05 grant

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071114