Solid imaging device and production method therefor

Details Solid imaging device and production method therefor Solid imaging device and production method therefor

H - Electricity

01

L

H01L 27/14 (2006.01) G02B 3/00 (2006.01) G02B 5/18 (2006.01) G02B 5/32 (2006.01) H04N 5/335 (2006.01)

Patent

CA 2625785

A solid imaging device comprising a plurality of photodiodes regions (2) arranged in an array, opaque boundary regions (6) existing around the respective photodiodes regions, and a micro lens array (8a) including a plurality of micro lenses arranged in an array to correspond to the plurality of photodiodes regions, wherein the respective micro lenses act to condense incident lights (7) directly advancing toward opaque boundary regions around the corresponding photodiode regions into the corresponding photodiode regions, the micro lens array is formed using a translucent DLC film, the DLC film a contains region where a refractive index is modulated in association with each micro lens, and a condensing action occurs when a light beam passes through the refractive index-modulated region.

La présente invention concerne un dispositif d~imagerie solide comprenant une pluralité de zones de photodiodes (2) disposées en une matrice, des zones de délimitation opaques (6) existant autour des zones de photodiodes respectives, et une matrice de microlentilles (8a) comprenant une pluralité de microlentilles disposées en une matrice de façon à correspondre à la pluralité de zones de photodiodes, les microlentilles respectives agissant pour condenser des lumières incidentes (7) avançant directement vers les zones de délimitation opaques autour des zones de photodiodes correspondantes dans les zones de photodiodes correspondantes, la matrice de microlentilles étant constituée au moyen d~une pellicule translucide de DLC, la pellicule de DLC contenant une zone dans laquelle l~indice de réfraction est modulé en association avec chaque microlentille, et une action de condensation se produisant lorsqu~un faisceau lumineux traverse la zone de modulation d~indice de réfraction.

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