TW200703424A - Ambient light filter structure - Google Patents

Ambient light filter structure

Info

Publication number
TW200703424A
TW200703424A TW095100362A TW95100362A TW200703424A TW 200703424 A TW200703424 A TW 200703424A TW 095100362 A TW095100362 A TW 095100362A TW 95100362 A TW95100362 A TW 95100362A TW 200703424 A TW200703424 A TW 200703424A
Authority
TW
Taiwan
Prior art keywords
component layer
si3n4
filter structure
silicon nitride
ambient light
Prior art date
Application number
TW095100362A
Other languages
Chinese (zh)
Other versions
TWI323481B (en
Inventor
Koonwing Tsang
Original Assignee
Capella Microsystems Corp
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 US11/174,455 external-priority patent/US7521666B2/en
Application filed by Capella Microsystems Corp filed Critical Capella Microsystems Corp
Publication of TW200703424A publication Critical patent/TW200703424A/en
Application granted granted Critical
Publication of TWI323481B publication Critical patent/TWI323481B/en

Links

Abstract

An ambient light filter structure and its response are disclosed. The ambient light filter structure comprises a silicon substrate, a first silicon nitride (Si3N4: 3200A+-200) component layer, a first silver (Ag: 285A+-35) component layer, a second silicon nitride (Si3N4: 920A+-50) component layer, a second silver (Ag: 285A+-35) component layer, and a third silicon nitride (Si3N4: 3500A+-200) component layer. Another ambient color filter structure is disclosed and further comprises a first sliver component layer, a first silicon nitride (Si3N4) component layer, second sliver (Ag) component layer, a second silicon nitride (Si3N4) component layer, a third sliver (Ag) component layer, a third silicon nitride (Si3N4) component layer, and a fourth sliver (Ag) component layer.
TW95100362A 2005-07-06 2006-01-04 Ambient light filter structure TWI323481B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/174,455 US7521666B2 (en) 2005-02-17 2005-07-06 Multi-cavity Fabry-Perot ambient light filter apparatus

Publications (2)

Publication Number Publication Date
TW200703424A true TW200703424A (en) 2007-01-16
TWI323481B TWI323481B (en) 2010-04-11

Family

ID=45074071

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95100362A TWI323481B (en) 2005-07-06 2006-01-04 Ambient light filter structure

Country Status (1)

Country Link
TW (1) TWI323481B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI384263B (en) * 2009-04-20 2013-02-01 Pixart Imaging Inc Color filter by copper and silver film and method for making same
TWI481832B (en) * 2009-09-22 2015-04-21 Intersil Inc Photodetectors useful as ambient light sensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI384263B (en) * 2009-04-20 2013-02-01 Pixart Imaging Inc Color filter by copper and silver film and method for making same
TWI481832B (en) * 2009-09-22 2015-04-21 Intersil Inc Photodetectors useful as ambient light sensors

Also Published As

Publication number Publication date
TWI323481B (en) 2010-04-11

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