DE3750528D1 - Lageempfindlicher, elektronisch einstellbarer Strahlungsdetektor, Detektionssystem von Fokusfehlern mit diesem Detektor und optische Lese- und/oder Schreibanordnung mit diesem System. - Google Patents
Lageempfindlicher, elektronisch einstellbarer Strahlungsdetektor, Detektionssystem von Fokusfehlern mit diesem Detektor und optische Lese- und/oder Schreibanordnung mit diesem System.Info
- Publication number
- DE3750528D1 DE3750528D1 DE3750528T DE3750528T DE3750528D1 DE 3750528 D1 DE3750528 D1 DE 3750528D1 DE 3750528 T DE3750528 T DE 3750528T DE 3750528 T DE3750528 T DE 3750528T DE 3750528 D1 DE3750528 D1 DE 3750528D1
- Authority
- DE
- Germany
- Prior art keywords
- detector
- sensitive
- optical reading
- detection system
- electronically adjustable
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1359—Single prisms
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0916—Foucault or knife-edge methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/094—Methods and circuits for servo offset compensation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/133—Shape of individual detector elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/1443—Devices controlled by radiation with at least one potential jump or surface barrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02024—Position sensitive and lateral effect photodetectors; Quadrant photodiodes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
- G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optical Recording Or Reproduction (AREA)
- Light Receiving Elements (AREA)
- Measurement Of Radiation (AREA)
- Automatic Focus Adjustment (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8601719A NL8601719A (nl) | 1986-07-02 | 1986-07-02 | Electronisch instelbare positiegevoelige stralingsdetector, focusfoutdetectiestelsel voorzien van een dergelijke stralingsdetector, en optische lees- en/of schrijfinrichting voorzien van een dergelijk focusfoutdetectiestelsel. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3750528D1 true DE3750528D1 (de) | 1994-10-20 |
DE3750528T2 DE3750528T2 (de) | 1995-04-06 |
Family
ID=19848253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3750528T Expired - Fee Related DE3750528T2 (de) | 1986-07-02 | 1987-06-23 | Lageempfindlicher, elektronisch einstellbarer Strahlungsdetektor, Detektionssystem von Fokusfehlern mit diesem Detektor und optische Lese- und/oder Schreibanordnung mit diesem System. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4810871A (de) |
EP (1) | EP0251402B1 (de) |
JP (1) | JPS6328077A (de) |
KR (1) | KR880002279A (de) |
CN (1) | CN1013721B (de) |
CA (1) | CA1273717A (de) |
DE (1) | DE3750528T2 (de) |
NL (1) | NL8601719A (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4916306A (en) * | 1988-07-14 | 1990-04-10 | Tektronix | Device for detecting spatial variation in the intensity of electromagnetic radiation |
US4928003A (en) * | 1988-07-15 | 1990-05-22 | Tektronix, Inc. | Charge-coupled device for detecting spatial variation in the intensity of electromagnetic radiation |
JPH0648575Y2 (ja) * | 1988-09-13 | 1994-12-12 | パイオニア株式会社 | 光検出器 |
NL8901400A (nl) * | 1989-06-02 | 1991-01-02 | Philips Nv | Halfgeleiderinrichting met een stralingsgevoelig element. |
NL8901629A (nl) * | 1989-06-28 | 1991-01-16 | Philips Nv | Stralingsgevoelige halfgeleiderinrichting en uitlees- of schrijfeenheid bevattende een dergelijke stralingsgevoelige halfgeleiderinrichting. |
JPH04195938A (ja) * | 1990-11-28 | 1992-07-15 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
US5530543A (en) * | 1994-07-06 | 1996-06-25 | Optra, Inc. | Detector array for use in interferometric metrology systems |
IT1312204B1 (it) * | 1999-04-22 | 2002-04-09 | Electronic Systems Spa | Dispositivo per la misura dello spessore di materiale in foglio mentre questo avanza e relativo metodo di misurazione |
KR100432660B1 (ko) * | 2001-08-17 | 2004-05-22 | 삼성전기주식회사 | 광픽업 장치 |
US20030034540A1 (en) * | 2001-08-20 | 2003-02-20 | Em Microelectronic-Marin Sa | Photodetector, photodetecting device and method for controlling the sensitivity profile of a photodetector |
DE102006013460B3 (de) * | 2006-03-23 | 2007-11-08 | Prüftechnik Dieter Busch AG | Photodetektoranordnung, Messanordnung mit einer Photodetektoranordnung und Verfahren zum Betrieb einer Messanordnung |
DE102006013461B3 (de) * | 2006-03-23 | 2007-11-15 | Prüftechnik Dieter Busch AG | Photodetektoranordnung, Messanordnung mit einer Photodetektoranordnung und Verfahren zum Betrieb einer Messanordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3742223A (en) * | 1970-05-25 | 1973-06-26 | Mc Donnell Douglas Corp | Wide angle lateral photo-detector means |
US3704376A (en) * | 1971-05-24 | 1972-11-28 | Inventors & Investors Inc | Photo-electric junction field-effect sensors |
US3870887A (en) * | 1973-10-10 | 1975-03-11 | Mc Donnell Douglas Corp | Optical image position indicator means using time and phase delay sensing |
NL7703077A (nl) * | 1977-03-22 | 1978-09-26 | Philips Nv | Inrichting voor het uitlezen van een stralings- reflekterende registratiedrager. |
JPS6038771B2 (ja) * | 1978-06-19 | 1985-09-03 | パイオニア株式会社 | 光学式情報読取装置のサ−ボ装置 |
NL8003906A (nl) * | 1980-07-07 | 1982-02-01 | Philips Nv | Stralingsgevoelige halfgeleiderinrichting. |
US4366377A (en) * | 1980-09-29 | 1982-12-28 | Mcdonnell Douglas Corporation | Dual sensitivity optical sensor |
NL187374C (nl) * | 1981-07-10 | 1991-09-02 | Philips Nv | Inrichting voor het detecteren van straling. |
NL8501489A (nl) * | 1985-05-24 | 1986-12-16 | Philips Nv | Positie-gevoelige stralingsdetector. |
-
1986
- 1986-07-02 NL NL8601719A patent/NL8601719A/nl not_active Application Discontinuation
- 1986-11-10 US US06/929,135 patent/US4810871A/en not_active Expired - Fee Related
-
1987
- 1987-06-23 DE DE3750528T patent/DE3750528T2/de not_active Expired - Fee Related
- 1987-06-23 EP EP87201192A patent/EP0251402B1/de not_active Expired - Lifetime
- 1987-06-25 CA CA000540610A patent/CA1273717A/en not_active Expired - Lifetime
- 1987-06-29 KR KR1019870006608A patent/KR880002279A/ko not_active Application Discontinuation
- 1987-06-29 CN CN87104584A patent/CN1013721B/zh not_active Expired
- 1987-07-02 JP JP62164109A patent/JPS6328077A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN87104584A (zh) | 1988-01-13 |
CN1013721B (zh) | 1991-08-28 |
DE3750528T2 (de) | 1995-04-06 |
NL8601719A (nl) | 1988-02-01 |
KR880002279A (ko) | 1988-04-30 |
JPS6328077A (ja) | 1988-02-05 |
EP0251402A2 (de) | 1988-01-07 |
US4810871A (en) | 1989-03-07 |
EP0251402A3 (en) | 1988-03-30 |
CA1273717A (en) | 1990-09-04 |
EP0251402B1 (de) | 1994-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |