In a solid-state imaging device of the present invention, light-sensitive elements 54, each of which includes a light receiving section capable of receiving light, are arranged in a matrix form at regular spacings in a photoreceiving region provided on a semiconductor substrate 51. A plurality of detecting electrodes 53 are provided on the semiconductor substrate 51 corresponding to the light-sensitive elements 54 for detecting an electrical charge generated by each light-sensitive element 54. A plurality of interconnections 57 coat the detecting electrodes 53, and apply a voltage thereto. A plurality of reflecting walls 62 are formed in a grid pattern over the interconnection 57 so as to partition the light-sensitive elements 54 individually for reflecting a portion of light entering the semiconductor substrate 51 from above onto the light receiving section of each light-sensitive element 54. The plurality of reflecting walls 62 are electrically insulated from the interconnections 57.

 
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