FI110727B - Elektriskt modulerbar termisk strålkälla - Google Patents

Elektriskt modulerbar termisk strålkälla Download PDF

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Publication number
FI110727B
FI110727B FI943037A FI943037A FI110727B FI 110727 B FI110727 B FI 110727B FI 943037 A FI943037 A FI 943037A FI 943037 A FI943037 A FI 943037A FI 110727 B FI110727 B FI 110727B
Authority
FI
Finland
Prior art keywords
filament
trees
radiation
source
source according
Prior art date
Application number
FI943037A
Other languages
English (en)
Finnish (fi)
Other versions
FI943037A0 (sv
FI943037A (sv
Inventor
Ari Lehto
Martti Juhani Blomberg
Markku Olavi Orpana
Hannu Pekka Kattelus
Original Assignee
Vaisala Oyj
Valtion Teknillinen
Instrumentarium Oyj
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 Vaisala Oyj, Valtion Teknillinen, Instrumentarium Oyj filed Critical Vaisala Oyj
Priority to FI943037A priority Critical patent/FI110727B/sv
Publication of FI943037A0 publication Critical patent/FI943037A0/sv
Priority to EP95304360A priority patent/EP0689229B1/en
Priority to DE69512141T priority patent/DE69512141T2/de
Priority to US08/494,636 priority patent/US5644676A/en
Priority to CN95108447A priority patent/CN1066855C/zh
Priority to JP15797195A priority patent/JP3745793B2/ja
Publication of FI943037A publication Critical patent/FI943037A/sv
Application granted granted Critical
Publication of FI110727B publication Critical patent/FI110727B/sv

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
    • G01J5/53—Reference sources, e.g. standard lamps; Black bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Resistance Heating (AREA)
  • Micromachines (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Claims (18)

1. Elektriskt modulerbar strälkälla, som omfattar 5 - ett väsentligen plant underlag (1), - en i underlaget (1) bildad fordjupning (2) eller öppning, - ätminstone en vid underlaget (1) fast glödträd (3), som är anordnad vid 10 fbrdjupningen (2) eller öppningen, och - kontaktytor (5) anordnade i underlaget (1) vid bäda ändama av glödträden (3) för matning av elström tili glödträden (3), 15 kännetecknadavatt - glödträden (3) utgörs av metall och är ätminstone tili den del som ligger avskilt frän underlaget (1) belagd med en enhetlig, oxideringsresistent tunnfilm (39). 20
• · ."’: 2. Strälkällaenligtpatentkrav 1, kännetecknad avatttunnfilmen(32, 36)utgörs • · · : * ί av kiselnitrid. t * I I I t • · « · IM v
· 3. Strälkälla enligt patentkrav 1, kännetecknad avatttvä eller flera glödträdar 25 (3) är elektriskt seriekopplade.
• · •; · ‘ 4. Strälkälla enligt patentkrav 1, kännetecknad avatttvä eller flera glödträdar :: (3) är elektriskt parallellkopplade. • · »· · ·:··· 30
5. Strälkälla enligt patentkrav 1, kännetecknad avatt glödträdar (3) är : ’ ·.: elektriskt bäde parallell- och seriekopplade.
6. Strälkälla enligt patentkrav 1, kännetecknad avatt varje glödträd (3) utgörs h 110727 av volfram.
7. Strälkällaenligtpatentkrav 1, kännetecknad avattvarje glödträd(3)utgörs av titanvolfram. 5
8. Strälkälla enligt patentkrav 1, kännetecknad avatt varje glödträd (3) utgörs av molybden.
9. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt 10 de enskilda glödträdama (3) är mekaniskt kopplade tili varandra.
10. Strälkälla enligt patentkrav 9, kännetecknad avattde enskilda glödträdama (3) är mekaniskt kopplade tili varandra medelst en enhetlig kiselnitridbrygga (6).
11. Strälkälla enligt patentkrav 9, kännetecknad avattde enskilda glödträdama (3) är mekaniskt kopplade tili varandra medelst en enhetlig kiselnitridbrygga (6) med öppningar.
·. 12. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt • · • ·.:. 20 under glödträdama (3) är en spegelkonstruktion (43) anordnad. • · • · «M • I t “.'.
13. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt « * » • · · under glödträdama (3) är en antireflexfilm (37) anordnad. • · · · • « · • · · • · ·
14. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt * · : / ·; den omfattar en Fabry-Perot-interferometer.
15. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt : * ’ ’: den omfattar ett icke-transparent skikt (44), i vilken en apertur (45) är bildad. 30 • · .
·. : 16. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt • · pä glödträdama (3) är ett multikristallint kiselskikt (39) anordnat. is 110727
17. Strälkälla enligt patentkrav 16, kännetecknad avatt den sammanlagda tjockleken av det multikristallina kiselskiktet (39) och skiktet (32) därpä utgör en fjärdedel av en mätningsväglängd . 5
18. Strälkälla enligt nägot av de föregäende patentkraven, kännetecknad avatt glödträdamas (3) ändar (7) är av tunnare utforande än glödträdamas (3) mittpartier (8).
FI943037A 1994-06-23 1994-06-23 Elektriskt modulerbar termisk strålkälla FI110727B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI943037A FI110727B (sv) 1994-06-23 1994-06-23 Elektriskt modulerbar termisk strålkälla
EP95304360A EP0689229B1 (en) 1994-06-23 1995-06-21 Electrically modulatable thermal radiant source
DE69512141T DE69512141T2 (de) 1994-06-23 1995-06-21 Elektrisch modulierbare thermische Strahlungsquelle
US08/494,636 US5644676A (en) 1994-06-23 1995-06-23 Thermal radiant source with filament encapsulated in protective film
CN95108447A CN1066855C (zh) 1994-06-23 1995-06-23 电调制热辐射源装置
JP15797195A JP3745793B2 (ja) 1994-06-23 1995-06-23 電気的に調節可能な熱放射源

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI943037A FI110727B (sv) 1994-06-23 1994-06-23 Elektriskt modulerbar termisk strålkälla
FI943037 1994-06-23

Publications (3)

Publication Number Publication Date
FI943037A0 FI943037A0 (sv) 1994-06-23
FI943037A FI943037A (sv) 1995-12-24
FI110727B true FI110727B (sv) 2003-03-14

Family

ID=8540991

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943037A FI110727B (sv) 1994-06-23 1994-06-23 Elektriskt modulerbar termisk strålkälla

Country Status (6)

Country Link
US (1) US5644676A (sv)
EP (1) EP0689229B1 (sv)
JP (1) JP3745793B2 (sv)
CN (1) CN1066855C (sv)
DE (1) DE69512141T2 (sv)
FI (1) FI110727B (sv)

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Also Published As

Publication number Publication date
DE69512141T2 (de) 2000-04-20
CN1121679A (zh) 1996-05-01
CN1066855C (zh) 2001-06-06
EP0689229A2 (en) 1995-12-27
DE69512141D1 (de) 1999-10-21
EP0689229B1 (en) 1999-09-15
US5644676A (en) 1997-07-01
JPH0864183A (ja) 1996-03-08
FI943037A0 (sv) 1994-06-23
FI943037A (sv) 1995-12-24
EP0689229A3 (en) 1996-07-10
JP3745793B2 (ja) 2006-02-15

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