WO1993014384B1 - Multifocal optical apparatus - Google Patents

Multifocal optical apparatus

Info

Publication number
WO1993014384B1
WO1993014384B1 PCT/US1993/000330 US9300330W WO9314384B1 WO 1993014384 B1 WO1993014384 B1 WO 1993014384B1 US 9300330 W US9300330 W US 9300330W WO 9314384 B1 WO9314384 B1 WO 9314384B1
Authority
WO
WIPO (PCT)
Prior art keywords
image
providing
microchip
product
optical apparatus
Prior art date
Application number
PCT/US1993/000330
Other languages
French (fr)
Other versions
WO1993014384A1 (en
Filing date
Publication date
Priority claimed from IL100657A external-priority patent/IL100657A0/en
Application filed filed Critical
Priority to EP19930904495 priority Critical patent/EP0623209A4/en
Priority to JP5512658A priority patent/JPH07505725A/en
Publication of WO1993014384A1 publication Critical patent/WO1993014384A1/en
Priority to GB9413367A priority patent/GB9413367D0/en
Publication of WO1993014384B1 publication Critical patent/WO1993014384B1/en

Links

Abstract

Optical apparatus including multifocal imaging apparatus defining a depth domain, sensor apparatus receiving light from a scene via the multifocal imaging apparatus (10) and image processing apparatus (14) for receiving an ouput of the sensor apparatus (12) and providing an in-focus image of the portion of the scene (11) falling within the depth domain.

Claims

9 2 i
AMENDED CLAIMS
[received by the International Bureau on 14 July 1993 (14.07.93); new claims 32 and 33 added; remaining claims unchanged (1 page)]
29. Apparatus substantially as illustrated in any of the drawings.
30. A method substantially as shown and described hereinabove. j ■ 31. A method substantially as illustrated in any of the drawings.
32. A method for microscopic inspection of a product of a microchip manufacturing process, the method comprising the steps of:
10 providing at least one image of a microchip manufacturing process product with a non-flat surface, the image including a focussed representation of at least a first portion of the microchip surface lying within a first plane and a focussed representation of a second
15 portion of the microchip surface lying within a second plane; and image processing said at least one image so as to provide a single in-focus image of at least the first and second portions of the product surface.
20 33. A method according to claim 32 wherein said step of providing comprises the step of providing a multifocal imager.
PCT/US1993/000330 1992-01-14 1993-01-13 Multifocal optical apparatus WO1993014384A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19930904495 EP0623209A4 (en) 1992-01-14 1993-01-13 Multifocal optical apparatus.
JP5512658A JPH07505725A (en) 1992-01-14 1993-01-13 multifocal optical device
GB9413367A GB9413367D0 (en) 1992-01-14 1994-07-01 Multifocal optical apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL100,657 1992-01-14
IL100657A IL100657A0 (en) 1992-01-14 1992-01-14 Multifocal optical apparatus

Publications (2)

Publication Number Publication Date
WO1993014384A1 WO1993014384A1 (en) 1993-07-22
WO1993014384B1 true WO1993014384B1 (en) 1995-12-14

Family

ID=11063273

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/000330 WO1993014384A1 (en) 1992-01-14 1993-01-13 Multifocal optical apparatus

Country Status (6)

Country Link
EP (1) EP0623209A4 (en)
JP (1) JPH07505725A (en)
AU (1) AU3583193A (en)
GB (1) GB9413367D0 (en)
IL (1) IL100657A0 (en)
WO (1) WO1993014384A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1468314A4 (en) * 2001-12-18 2006-12-13 Univ Rochester Imaging using a multifocal aspheric lens to obtain extended depth of field
US7336430B2 (en) * 2004-09-03 2008-02-26 Micron Technology, Inc. Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture
CN101080742A (en) * 2004-10-15 2007-11-28 松下电器产业株式会社 Image reinforcement using multifocal lens
WO2009061439A2 (en) * 2007-11-06 2009-05-14 Tessera North America, Inc. Determinate and indeterminate optical systems
BRPI1007853B1 (en) * 2009-02-20 2019-11-12 Thales Canada Inc bifocal lens dual field of view optical imaging system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767934A (en) * 1971-06-16 1973-10-23 Exxon Co Fault responsive switching system
US4548495A (en) * 1981-02-27 1985-10-22 Takeomi Suzuki Proper focusing state detecting device
JPS5821715A (en) * 1981-07-31 1983-02-08 Asahi Optical Co Ltd Light flux divider
JPS6038613A (en) * 1983-08-10 1985-02-28 Canon Inc Distance measuring optical system
US4745484A (en) * 1986-07-30 1988-05-17 Drexler Technology Corporation Method and apparatus for stepped imaging in reading data
FR2609817B1 (en) * 1987-01-21 1989-05-05 Matra METHOD AND DEVICE FOR SHOOTING WITH A LARGE DEPTH OF FIELD
DE3729334A1 (en) * 1987-09-02 1989-03-16 Sick Optik Elektronik Erwin LIGHT SWITCH
DE3905619C2 (en) * 1988-02-23 2000-04-13 Olympus Optical Co Image input / output device
US4993830A (en) * 1989-12-18 1991-02-19 Systronics, Incorporated Depth and distance measuring system

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