SOLID-STATE IMAGING DEVICE AND IMAGING DEVICE

A solid-state imaging device (100) comprises: a photoelectric conversion element (120) which is formed on a semiconductor substrate (150) and stores a signal charge generated via photoelectric conversion; a first diffusion layer (FD1) which holds the signal charge transferred from the photoelectric...

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Main Authors ONOZAWA, Kazutoshi, AMIKAWA, Hiroyuki, IKUMA, Makoto
Format Patent
LanguageEnglish
French
Japanese
Published 26.08.2021
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Abstract A solid-state imaging device (100) comprises: a photoelectric conversion element (120) which is formed on a semiconductor substrate (150) and stores a signal charge generated via photoelectric conversion; a first diffusion layer (FD1) which holds the signal charge transferred from the photoelectric conversion element (120); a capacitive element (126) that holds the signal charge overflowing from the photoelectric conversion element (120); an amplification transistor (124) which outputs a signal corresponding to the signal charge amount of the first diffusion layer (FD1); a contact (c1) which is connected to the first diffusion layer (FD1); a contact (c2) which is connected to a gate of the amplification transistor (124); and a first wiring (w1) which connects the contact (c1) and the contact (c2). Regarding the first wiring (w1), the shortest distance between the semiconductor substrate (150) and the first wiring (w1) is shorter than the shortest distance between the semiconductor substrate (150) and the capacitive element (126). Un dispositif d'imagerie à semi-conducteur (100) comprend : un élément de conversion photoélectrique (120) qui est formé sur un substrat semi-conducteur (150) et stocke une charge de signal générée par conversion photoélectrique ; une première couche de diffusion (FD1) qui maintient la charge de signal transférée depuis l'élément de conversion photoélectrique (120) ; un élément capacitif (126) qui maintient la charge de signal débordant de l'élément de conversion photoélectrique (120) ; un transistor d'amplification (124) qui délivre un signal correspondant à la quantité de charge de signal de la première couche de diffusion (FD1) ; un contact (c1) qui est relié à la première couche de diffusion (FD1) ; un contact (c2) qui est connecté à une grille du transistor d'amplification (124) ; et un premier câblage (w1) qui relie le contact (c1) au contact (c2). En ce qui concerne le premier câblage (w1), la distance la plus courte entre le substrat semi-conducteur (150) et le premier câblage (w1) est plus courte que la distance la plus courte entre le substrat semi-conducteur (150) et l'élément capacitif (126). 固体撮像装置(100)は、半導体基板(150)に形成され、光電変換して生成された信号電荷を蓄積する光電変換素子(120)と、光電変換素子(120)から転送される信号電荷を保持する第1拡散層(FD1)と、光電変換素子(120)から溢れる信号電荷を保持する容量素子(126)と、第1拡散層(FD1)の信号電荷量に応じた信号を出力する増幅トランジスタ(124)と、第1拡散層(FD1)に接続されたコンタクト(c1)と、前記増幅トランジスタ(124)のゲートに接続されたコンタクト(c2)と、コンタクト(c1)とコンタクト(c2)とを接続する第1配線(w1)とを備え、第1配線(w1)は、半導体基板(150)と第1配線(w1)との最短距離は、半導体基板(150)と容量素子(126)との最短距離より小さい。
AbstractList A solid-state imaging device (100) comprises: a photoelectric conversion element (120) which is formed on a semiconductor substrate (150) and stores a signal charge generated via photoelectric conversion; a first diffusion layer (FD1) which holds the signal charge transferred from the photoelectric conversion element (120); a capacitive element (126) that holds the signal charge overflowing from the photoelectric conversion element (120); an amplification transistor (124) which outputs a signal corresponding to the signal charge amount of the first diffusion layer (FD1); a contact (c1) which is connected to the first diffusion layer (FD1); a contact (c2) which is connected to a gate of the amplification transistor (124); and a first wiring (w1) which connects the contact (c1) and the contact (c2). Regarding the first wiring (w1), the shortest distance between the semiconductor substrate (150) and the first wiring (w1) is shorter than the shortest distance between the semiconductor substrate (150) and the capacitive element (126). Un dispositif d'imagerie à semi-conducteur (100) comprend : un élément de conversion photoélectrique (120) qui est formé sur un substrat semi-conducteur (150) et stocke une charge de signal générée par conversion photoélectrique ; une première couche de diffusion (FD1) qui maintient la charge de signal transférée depuis l'élément de conversion photoélectrique (120) ; un élément capacitif (126) qui maintient la charge de signal débordant de l'élément de conversion photoélectrique (120) ; un transistor d'amplification (124) qui délivre un signal correspondant à la quantité de charge de signal de la première couche de diffusion (FD1) ; un contact (c1) qui est relié à la première couche de diffusion (FD1) ; un contact (c2) qui est connecté à une grille du transistor d'amplification (124) ; et un premier câblage (w1) qui relie le contact (c1) au contact (c2). En ce qui concerne le premier câblage (w1), la distance la plus courte entre le substrat semi-conducteur (150) et le premier câblage (w1) est plus courte que la distance la plus courte entre le substrat semi-conducteur (150) et l'élément capacitif (126). 固体撮像装置(100)は、半導体基板(150)に形成され、光電変換して生成された信号電荷を蓄積する光電変換素子(120)と、光電変換素子(120)から転送される信号電荷を保持する第1拡散層(FD1)と、光電変換素子(120)から溢れる信号電荷を保持する容量素子(126)と、第1拡散層(FD1)の信号電荷量に応じた信号を出力する増幅トランジスタ(124)と、第1拡散層(FD1)に接続されたコンタクト(c1)と、前記増幅トランジスタ(124)のゲートに接続されたコンタクト(c2)と、コンタクト(c1)とコンタクト(c2)とを接続する第1配線(w1)とを備え、第1配線(w1)は、半導体基板(150)と第1配線(w1)との最短距離は、半導体基板(150)と容量素子(126)との最短距離より小さい。
Author ONOZAWA, Kazutoshi
AMIKAWA, Hiroyuki
IKUMA, Makoto
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DocumentTitleAlternate DISPOSITIF D'IMAGERIE À SEMI-CONDUCTEUR ET DISPOSITIF D'IMAGERIE
固体撮像装置および撮像装置
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Snippet A solid-state imaging device (100) comprises: a photoelectric conversion element (120) which is formed on a semiconductor substrate (150) and stores a signal...
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SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEMICONDUCTOR DEVICES
Title SOLID-STATE IMAGING DEVICE AND IMAGING DEVICE
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