摘要:
In a solid-state imaging device wherein at least one pn-junction photodiode and photo-signal detecting means adjacent thereto are disposed in a surface portion of a semiconductor substrate of one conductivity type, a solid-state imaging device characterized in that at least one window region is disposed within a semiconductor region which constitutes said photodiode and which has the opposite conductivity type to that of said semiconductor substrate, said window region "hollowing" said semiconductor region up to the surface of said semiconductor substrate and being made of a part of said semiconductor substrate.
摘要:
According to a conventional technique, first, the positional relation between a lens and an imaging element is kept at each of left and right camera units, adjustment is made so as to eliminate the rotation-direction deviation of an imaging element from one surface of a member to which a lens and an imaging element are to be attached before fixing, and then that camera unit is attached to a reference member to thereby constitute a stereo camera. However, although this method can eliminate a mounting position deviation when left and right camera units only are taken into consideration, a problem is posed that deviation again occurs due to poor machining precision and assembly precision at the mounting surface between a camera unit and a member when a camera unit is mounted to a stay. According to this invention, mounting surfaces for mounting left and right imaging elements to a stay are provided to directly position left and right imaging elements to the stay, whereby built-up tolerance between components is reduced and the positional mounting precision between imaging elements is improved.
摘要:
A hot carrier lifetime of a MOS transistor is estimated depending on a hot carrier lifetime model expressed as t·∝Isub−m·Idm−2 where t is a lifetime, Isub is a substrate current, Id is a drain current, and m is a fitting parameter. When hot carrier degradation of the MOS transistor is simulated, a parameter Age representing cumulative stress quantity with respect to the MOS transistor is calculated by a model formula expressed as Age∝∫[Isubm·Id2−m]dt where t is time. As a result, a lifetime under a condition to cause maximum hot carrier degradation is estimated accurately, and a lifetime in actual use can be estimated accurately. Moreover, a hot carrier lifetime parameter can be calculated in a short time with small numbers of transistors.
摘要:
An approach for simulating hot carrier effects in an integrated circuit (IC) at the circuit level includes generating a hot carrier library of delay data for each cell in the IC, using the hot carrier library data to generate a set of scaled timing data for the IC and using the scaled timing data with a IC performance simulator to simulate the IC operation. The scaled timing data is based upon the cell delay data and time-based switching activity of each cell in the IC.
摘要:
A photoresist film containing a phosphate of a formalin condensate of diazodiphenylamine, 2.5-bis (4'-azide-2'- sulphobenzilidene) cyclopentanone Na, polyvinylalcohol, and polyvinylpyrrolidone is formed on the inner surface of a faceplate. The photoresist film is hardened by light exposure using a point or linear light source, which is essentially a circular light source, via a shadow mask having a large number of apertures. A light absorbing film is formed on this photoresist film. Then the hardened photoresist film and the light absorbing film on top of it are removed using a peeling agent.
摘要:
A photoresist composition, comprising, a water-soluble azide compound and a water-soluble polymer in combination with a water-soluble silane compound having at least two alkoxysilane groups.
摘要:
A projection type green cathode ray tube (CRT) with improved brightness despite an increase in the temperature of the faceplate, a method for manufacturing a phosphor screen adopted therein, and a projection video device which utilizes the projection type green CRT. The phosphor screen of the CRT is formed of a cerium-activated calcium sulfide phosphor which contains 0.01 to 0.3 mol% of cerium. According to the method for manufacturing the phosphor screen, the cerium-activated calcium sulfide phosphor is precipitated in a 0.3 to 5% aqueous solution of water glass based on weight. The aqueous solution does not contain barium ions. The projection video device includes the green CRT, a red CRT having a phosphor screen which is formed of an europium-activated yttrium oxide phosphor, and a blue CRT having a phosphor screen which is formed of a silver-activated zinc sulfide phosphor. Brightness of images is improved and does not substantially change over time.
摘要:
A color solid-state imager comprising a semiconductor body which has a photoelectric conversion function and which includes at least photosensitive elements and switching elements, and predetermined color filters which are formed on the body; characterized in that a light absorbing layer is disposed at least over a vicinity of an output terminal of each switching element. The contours of the color filters can be accurately formed, and unnecessary light can be intercepted to stabilize the electrical characteristics of the solid-state imager.
摘要:
A solid state image pickup device having a plurality of solid state elements in a two-dimensional array so as to form picture cells. Each solid state element includes a photoelectric converting element and a switching field effect transistor to permit scanning of the elements by scanners. To counteract noise and blooming, a second field effect transistor acting as an amplifier is connected between the photoelectric converting element and the switching field effect transistor. A third field effect transistor is coupled to the photoelectric converting element for resetting the same.
摘要:
Disclosed is a solid-state imaging device having a semiconductor integrated circuit in which a plurality of switching elements for selecting positions of picture elements and scanners for turning "on" and "off" the switching elements in time sequence are disposed on an identical substrate, a photoconductive film which is disposed on the integrated circuit and which is connected to one end of each of the switching elements, and a light transmitting electrode which is disposed on the photoconductive film, characterized at least in that a breakdown voltage of a junction formed between the semiconductor substrate and an impurity region which has a conductivity type opposite to that of the semiconductor substrate and which stores therein carriers attendant upon incidence of light is made smaller than a breakdown voltage between the storing first impurity region of said each switching element and a second impurity region thereof which forms a signal leading-out portion.