GB201204768D0 - Optical proximity sensor and method of making such a sensor - Google Patents

Optical proximity sensor and method of making such a sensor

Info

Publication number
GB201204768D0
GB201204768D0 GBGB1204768.4A GB201204768A GB201204768D0 GB 201204768 D0 GB201204768 D0 GB 201204768D0 GB 201204768 A GB201204768 A GB 201204768A GB 201204768 D0 GB201204768 D0 GB 201204768D0
Authority
GB
United Kingdom
Prior art keywords
sensor
making
optical proximity
proximity sensor
optical
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.)
Withdrawn
Application number
GBGB1204768.4A
Other versions
GB2490386A (en
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies ECBU IP Singapore Pte Ltd
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
Priority claimed from US13/098,436 external-priority patent/US8957380B2/en
Application filed by Avago Technologies ECBU IP Singapore Pte Ltd filed Critical Avago Technologies ECBU IP Singapore Pte Ltd
Publication of GB201204768D0 publication Critical patent/GB201204768D0/en
Publication of GB2490386A publication Critical patent/GB2490386A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0271—Housings; Attachments or accessories for photometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0418—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using attenuators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01S17/026—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB1204768.4A 2011-04-30 2012-03-19 Optical proximity sensor with attenuating layers to reduce crosstalk Withdrawn GB2490386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/098,436 US8957380B2 (en) 2009-06-30 2011-04-30 Infrared attenuating or blocking layer in optical proximity sensor

Publications (2)

Publication Number Publication Date
GB201204768D0 true GB201204768D0 (en) 2012-05-02
GB2490386A GB2490386A (en) 2012-10-31

Family

ID=46052142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1204768.4A Withdrawn GB2490386A (en) 2011-04-30 2012-03-19 Optical proximity sensor with attenuating layers to reduce crosstalk

Country Status (1)

Country Link
GB (1) GB2490386A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11143551B2 (en) 2018-05-18 2021-10-12 Hana Microelectronics, Inc. Proximity sensor with infrared ink coating
US11520074B2 (en) 2018-09-14 2022-12-06 Hana Microelectronics, Inc. Proximity sensor with light blocking barrier comprising a gap having a cross-section with parallel walls between emitter and detector
US11567198B2 (en) 2019-03-25 2023-01-31 Hana Microelectronics Inc. Proximity sensor with light inhibiting barrier comprising a gap having a cross-section with parallel walls substantially perpendicular to the top surface of an optically transmissive material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63308973A (en) * 1987-06-11 1988-12-16 Nec Corp Manufacture of optical reflection type sensor
JPH09148620A (en) * 1995-09-20 1997-06-06 Sharp Corp Light reflecting type detector and manufacture thereof
US7777172B2 (en) * 2007-06-01 2010-08-17 Fairchild Semiconductor Corporation Methods for reducing cross talk in optical sensors
US8957380B2 (en) * 2009-06-30 2015-02-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Infrared attenuating or blocking layer in optical proximity sensor
GB2486000A (en) * 2010-11-30 2012-06-06 St Microelectronics Res & Dev Optical proximity detectors with arrangements for reducing internal light propagation from emitter to detector

Also Published As

Publication number Publication date
GB2490386A (en) 2012-10-31

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130725 AND 20130731

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)