DE69021021D1 - Vorrichtung und Verfahren zur Überwachung des Betriebs einer Halbleiteranordnung. - Google Patents

Vorrichtung und Verfahren zur Überwachung des Betriebs einer Halbleiteranordnung.

Info

Publication number
DE69021021D1
DE69021021D1 DE69021021T DE69021021T DE69021021D1 DE 69021021 D1 DE69021021 D1 DE 69021021D1 DE 69021021 T DE69021021 T DE 69021021T DE 69021021 T DE69021021 T DE 69021021T DE 69021021 D1 DE69021021 D1 DE 69021021D1
Authority
DE
Germany
Prior art keywords
monitoring
semiconductor device
semiconductor
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 - Lifetime
Application number
DE69021021T
Other languages
English (en)
Other versions
DE69021021T2 (de
Inventor
Stephen John Ames
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.)
NCR International Inc
Original Assignee
AT&T Global Information Solutions Co
AT&T Global Information Solutions International 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
Application filed by AT&T Global Information Solutions Co, AT&T Global Information Solutions International Inc filed Critical AT&T Global Information Solutions Co
Application granted granted Critical
Publication of DE69021021D1 publication Critical patent/DE69021021D1/de
Publication of DE69021021T2 publication Critical patent/DE69021021T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1906Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/06804Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0617Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06213Amplitude modulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06216Pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
DE69021021T 1989-12-04 1990-11-29 Vorrichtung und Verfahren zur Überwachung des Betriebs einer Halbleiteranordnung. Expired - Lifetime DE69021021T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/445,225 US5073838A (en) 1989-12-04 1989-12-04 Method and apparatus for preventing damage to a temperature-sensitive semiconductor device

Publications (2)

Publication Number Publication Date
DE69021021D1 true DE69021021D1 (de) 1995-08-24
DE69021021T2 DE69021021T2 (de) 1996-03-21

Family

ID=23768071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021021T Expired - Lifetime DE69021021T2 (de) 1989-12-04 1990-11-29 Vorrichtung und Verfahren zur Überwachung des Betriebs einer Halbleiteranordnung.

Country Status (4)

Country Link
US (1) US5073838A (de)
EP (1) EP0431832B1 (de)
JP (1) JPH03185888A (de)
DE (1) DE69021021T2 (de)

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JP4043844B2 (ja) * 2002-05-24 2008-02-06 フリースケール セミコンダクター インコーポレイテッド 発光素子駆動装置
US7170919B2 (en) 2003-06-23 2007-01-30 Northrop Grumman Corporation Diode-pumped solid-state laser gain module
US7495848B2 (en) 2003-07-24 2009-02-24 Northrop Grumman Corporation Cast laser optical bench
US7433375B2 (en) * 2003-10-09 2008-10-07 National Semiconductor Corporation Laser trim and compensation methodology for passively aligning optical transmitter
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JP2005340931A (ja) * 2004-05-24 2005-12-08 Freescale Semiconductor Inc バースト信号受信装置
TW200539166A (en) * 2004-05-27 2005-12-01 Lite On It Corp Laser-emitting device of optical disc drive
DE102005011121B4 (de) * 2004-10-14 2016-04-28 Möller-Wedel GmbH & Co. KG Verfahren zum optimierten Einstellen der Lichtleistung in der Objektebene bei Auflichtmikroskopen
US7305016B2 (en) 2005-03-10 2007-12-04 Northrop Grumman Corporation Laser diode package with an internal fluid cooling channel
US7515619B2 (en) * 2005-06-22 2009-04-07 Intel Corporation Laser control circuit
US7656915B2 (en) 2006-07-26 2010-02-02 Northrop Grumman Space & Missions Systems Corp. Microchannel cooler for high efficiency laser diode heat extraction
CN101743781B (zh) 2007-07-13 2012-07-18 马丁·库斯特 发光模块和具有发光模块的袖珍工具
US7701151B2 (en) * 2007-10-19 2010-04-20 American Sterilizer Company Lighting control system having temperature compensation and trim circuits
US7812551B2 (en) * 2007-10-19 2010-10-12 American Sterilizer Company Lighting control method having a light output ramping function
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US8159956B2 (en) 2008-07-01 2012-04-17 Finisar Corporation Diagnostics for serial communication busses
US8345720B2 (en) 2009-07-28 2013-01-01 Northrop Grumman Systems Corp. Laser diode ceramic cooler having circuitry for control and feedback of laser diode performance
CN103348185A (zh) * 2010-06-01 2013-10-09 派拉斯科Ip有限责任公司 阵列半导体辐射发射装置的分布冷却
EP2440016B1 (de) * 2010-10-08 2019-01-23 Lantiq Beteiligungs-GmbH & Co.KG Laserdiodensteuervorrichtung
US9590388B2 (en) 2011-01-11 2017-03-07 Northrop Grumman Systems Corp. Microchannel cooler for a single laser diode emitter based system
CN102393766B (zh) * 2011-08-25 2014-04-16 上海致凯捷激光科技有限公司 高精度数字式温控器
JP5974548B2 (ja) * 2012-03-05 2016-08-23 富士電機株式会社 半導体装置
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Also Published As

Publication number Publication date
EP0431832B1 (de) 1995-07-19
US5073838A (en) 1991-12-17
DE69021021T2 (de) 1996-03-21
JPH03185888A (ja) 1991-08-13
EP0431832A3 (en) 1991-11-21
EP0431832A2 (de) 1991-06-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NCR INTERNATIONAL, INC. (N.D.GES.D.STAATES DELAWAR

8328 Change in the person/name/address of the agent

Free format text: V. BEZOLD & SOZIEN, 80799 MUENCHEN