HK1037235A1 - Infrared absorption filter. - Google Patents

Infrared absorption filter.

Info

Publication number
HK1037235A1
HK1037235A1 HK01107793A HK01107793A HK1037235A1 HK 1037235 A1 HK1037235 A1 HK 1037235A1 HK 01107793 A HK01107793 A HK 01107793A HK 01107793 A HK01107793 A HK 01107793A HK 1037235 A1 HK1037235 A1 HK 1037235A1
Authority
HK
Hong Kong
Prior art keywords
infrared absorption
absorption filter
filter
infrared
absorption
Prior art date
Application number
HK01107793A
Other languages
English (en)
Inventor
Shinya Onomichi
Tetsuo Shimomura
Seiichiro Yokoyama
Original Assignee
Toyo Boseki
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 JP36150099A external-priority patent/JP2001174627A/ja
Priority claimed from JP37055999A external-priority patent/JP2001183523A/ja
Priority claimed from JP2000072273A external-priority patent/JP2001264532A/ja
Application filed by Toyo Boseki filed Critical Toyo Boseki
Publication of HK1037235A1 publication Critical patent/HK1037235A1/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
HK01107793A 1999-12-20 2001-11-07 Infrared absorption filter. HK1037235A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP36150099A JP2001174627A (ja) 1999-12-20 1999-12-20 赤外線吸収フィルター
JP37055999A JP2001183523A (ja) 1999-12-27 1999-12-27 近赤外線吸収フィルター
JP2000072273A JP2001264532A (ja) 2000-03-15 2000-03-15 赤外線吸収フィルター

Publications (1)

Publication Number Publication Date
HK1037235A1 true HK1037235A1 (en) 2002-02-01

Family

ID=27341650

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01107793A HK1037235A1 (en) 1999-12-20 2001-11-07 Infrared absorption filter.

Country Status (7)

Country Link
US (1) US6542292B2 (fr)
EP (1) EP1111410B1 (fr)
KR (1) KR100444332B1 (fr)
CN (1) CN1178075C (fr)
DE (1) DE60009848T2 (fr)
HK (1) HK1037235A1 (fr)
TW (1) TW472158B (fr)

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Also Published As

Publication number Publication date
US20010005278A1 (en) 2001-06-28
KR100444332B1 (ko) 2004-08-16
CN1178075C (zh) 2004-12-01
EP1111410B1 (fr) 2004-04-14
CN1300948A (zh) 2001-06-27
US6542292B2 (en) 2003-04-01
DE60009848D1 (de) 2004-05-19
EP1111410A3 (fr) 2001-12-05
TW472158B (en) 2002-01-11
EP1111410A2 (fr) 2001-06-27
KR20010082587A (ko) 2001-08-30
DE60009848T2 (de) 2005-04-21

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Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20111220