Canon Kabushiki Kaisha

Canon Denshi Kabushiki Kaisha

Norio Kaneko

Takehiko Kawasaki

Keisuke Yamamoto

Fumio Kishi

Naoaki Maruyama

Tohru Den

Ryo Hayashi

Masato Ofuji

Yasuyoshi Takai

Taiko Motoi

Tamaki Kobayashi

Masatake Akaike

Naoyo Gemma

Katsuhiko Shinsho

Toshihiko Takeda

Kiyoshi Sakai

Hisato Yabuta

Chieko Mihara

Nobuo Kushibiki

Hidetoshi Nojiri

Koichiro Nakanishi

Kazumi Tanaka

Katsuhiko Shinjo

Hiroyoshi Kishi

Toyoko Kobayashi

Yoshihiko Kikuchi

Masahito Niibe

Kimio Handa

Jun Akimitsu

Toshitsugu Morimoto

Takeo Tsukamoto

Akira Shimizu

Toshihiko Ouchi

Masafumi Sano

Masahiko Okunuki

Takeaki Itsuji

Katsumi Abe

Noriyuki Nose

Yukichi Niwa

Hideya Kumomi

Yoko Yoshinaga

Kazuaki Ohmi

Nobuyuki Kaji

Hisae Shimizu

Nobuo Watanabe

Michinori Shioda

Fujio Iwatate

Masayoshi Tabata

Kiyozumi Niizuma

Ayanori Endo

Atsuko Shinjou

Kazuaki Yokota

Atsuko Tanaka

A method for controlling the threshold voltage of a semiconductor element having at least a semiconductor as a component is characterized in including a process to measure one of a threshold voltage and a characteristic value serving as an index for the threshold voltage; a process to determine one of the irradiation intensity, irradiation time, and wavelength of the light for irradiating the semiconductor based on one of the measured threshold voltage and the measured characteristic value serving as the index for the threshold voltage; and a process to irradiate light whose one of the irradiation intensity, irradiation time, and wavelength has been determined onto the semiconductor; wherein the light irradiating the semiconductor is a light having a longer wavelength than the wavelength of the absorption edge of the semiconductor, and the threshold voltage is changed by the irradiation of the light.

Method for controlling threshold voltage of semiconductor element

Provided is a semiconductor device including a semiconductor element including at least a semiconductor as a component characterized by including: a mechanism for irradiating the semiconductor with light having a wavelength longer than an absorption edge wavelength of the semiconductor; and a dimming mechanism, provided in a part of an optical path through which the light passes, for adjusting at least one factor selected from an intensity, irradiation time and the wavelength of the light, wherein a threshold voltage of the semiconductor element is varied by the light adjusted by the dimming mechanism.

Semiconductor device and display apparatus

A method for manufacturing a semiconductor device or apparatus having at least a semiconductor as a component, characterized by including irradiating the semiconductor with light having a longer wavelength than the absorption edge wavelength of the semiconductor to change the threshold voltage of the semiconductor device or apparatus, and checking the threshold voltage of the semiconductor device or apparatus, after or during irradiation with the light, to determine whether the threshold voltage is in a predetermined range, during manufacturing the semiconductor device or apparatus.

Method for manufacturing semiconductor device or apparatus, and apparatus for manufacturing the same

To provide new image forming apparatus and a printing method that can obtain information on image forming by using terahertz waves. An image forming apparatus includes a stock unit for stocking a media stack made of a plurality of media with images formed on; an electromagnetic wave generation unit for generating a terahertz wave to radiate on the media stack; an electromagnetic wave detection unit for detecting the terahertz wave propagated in a laminating direction of the media stack; a memory unit for storing reference data; a processing unit for generating data related to an image forming state from the detection signal from the electromagnetic wave detection unit, information on the number of sheets of the medium, and information on the image formed on the medium; and a comparative unit for comparing the data generated by the processing unit and the reference data stored in the memory unit.

Image forming apparatus, printing method and printing apparatus

In a method of treating a semiconductor element which at least includes a semiconductor, a threshold voltage of the semiconductor element is changed by irradiating the semiconductor with light with a wavelength longer than an absorption edge wavelength of the semiconductor. The areal density of in-gap states in the semiconductor is 10cmeVor less. The band gap may be 2 eV or greater. The semiconductor may include at least one selected from the group consisting of In, Ga, Zn and Sn. The semiconductor may be one selected from the group consisting of amorphous In&#x2014;Ga&#x2014;Zn&#x2014;O (IGZO), amorphous In&#x2014;Zn&#x2014;O (IZO) and amorphous Zn&#x2014;Sn&#x2014;O (ZTO). The light irradiation may induce the threshold voltage shift in the semiconductor element, the shift being of the opposite sign to the threshold voltage shift caused by manufacturing process history, time-dependent change, electrical stress or thermal stress.

Method of treating semiconductor element

To provide a sheet material identifying apparatus for identifying the kind of a sheet material, including an adjusting assembly for dehumidifying or humidifying a predetermined region of the sheet material and adjusting the moisture content of the predetermined region, external force applying means for applying an external force to the predetermined region of the sheet material whose moisture content is adjusted and detecting means for detecting an external force propagated through the sheet while the external force is applied by the external force applying means; wherein an external force is applied to the predetermined region whose moisture content is adjusted through the adjusting assembly by the external force applying means and the kind of a sheet material is identified in accordance with the external force propagated through the sheet detected by the detecting means.

Sheet material identifying apparatus, sheet material treating apparatus and sheet material identifying method

Information (particularly, water content) of a sheet material which changes during progression of processing is estimated with higher accuracy and information output or (image formation) processing is performed. The water content estimation method of the present invention includes: detecting a first information regarding moisture contained in a sheet material; detecting a second information regarding a factor affecting information regarding the moisture contained in the sheet material; predicatively computing an estimation of a water content of the sheet material based on the first information and the second information; and adjusting processing conditions for image formation based on the estimation of the water content which is computed.

Water content estimation apparatus, sheet material processing apparatus, water content estimation method, and sheet material processing method

A multi-functional sensor for deriving information on a recording sheet material comprising an impact-applying unit for applying an external mechanical force onto the recording sheet material, a signal-detecting unit for detecting a signal of response of the recording sheet material to the external mechanical force, a signal-processing unit for processing the signal, and a signal-judging unit for deriving a property of the recording sheet material by comparison of a signal from the signal-detecting unit or the signal processing unit with information memorized preliminarily, wherein the signal-processing unit comprises a separation section for separating the signal from the signal-detecting unit into output signals on the properties of the recording sheet material, and a processing section for deriving, by statistical treatment, a correlation equation showing a correlation between the separated output signal and the properties of the recording sheet material.

Multi-functional sensor and method of sensing

Provided is a sheet material discrimination apparatus including: an impact force applying member for colliding with the surface of a sheet material, an impact force receiving member for receiving the impact force applying member through the sheet material, a detecting unit for outputting an electric signal corresponding to an impact force received by the impact force receiving member, and a cushioning material for absorbing the impact force transmitted to the detecting unit, wherein a support member having a bending rigidity higher than the bending rigidity of the detecting unit with respect to the impact force is arranged between the detecting unit and the cushioning material.

Sheet material discrimination apparatus, sheet material information output apparatus, and image forming apparatus

Disclosed is an information detecting device capable of reducing fluctuation in detection accuracy. A recording sheet P transported through a transport path comes into contact with a displacing member, and, in this state, a motor is driven to rotate a cam, and the resilient force of a coil spring causes a pressurizing member to collide with the recording sheet P. The impact force at that time is detected by a detection sensor, and transmitted to a sheet material information obtaining means. Then, on the basis of the detection result, it is possible to detect the type, density, thickness, surface irregularities, etc. of the recording sheet P. At this time, the recording sheet P is in contact with the displacing member, whereby it is possible to reduce fluctuation in detection accuracy due to positional deviation of the recording sheet P.

Image forming apparatus with impact applying unit and detecting unit for detecting sheet information corresponding to impact force

An external force application unit is allowed to impact on a sheet material, and an external force detection unit detects an impact force through the sheet material. Further, there is provided a push-in sensing unit for detecting abnormality of the sheet material entering a space between the external force application unit and the external force detection unit. When the push-in sensing unit detects the abnormality, a control circuit operates a motor to rotate a cam, thereby moving the external force application unit to be retracted in a direction in which the external force application unit is moved away from an entering position of the sheet material.

Sheet material information detection apparatus, sheet material processing apparatus, and sheet material processing method

A detecting apparatus for detecting information of at least a portion of a stack of sheet media includes an illuminating unit and a detecting unit. The illuminating unit illuminates a side of the stack of sheet media, or a portion thereof with electromagnetic waves. The detecting unit detects electromagnetic waves transmitted through or reflected by the stack of sheet media, or a portion thereof. The detecting apparatus is adapted to compare information of the electromagnetic waves detected by the detecting unit with information about attenuation of electromagnetic waves due to moisture contained in the sheet medium, and detect information of the moisture content of at least a portion of the stack of sheet media.

Detecting apparatus for detecting moisture content of media stack

A sheet member information acquiring device has a load-applying member configured to come into contact with the sheet member and to apply a load to the sheet member, a rotation bearing configured to hold the load-applying member rotatably around at least a rotation axis, a protrusion provided at the end portion of the load-applying member that contacts the sheet member, the protrusion being located at a position offset by a predetermined distance from the rotation axis, a changing portion configured to change relative positions of the sheet member and load-applying member while in a contact state, and a detecting portion configured to detect a displacement of the load-applying member. The device acquires the information of the sheet member on the basis of information provided by the detecting portion.

Sheet material information acquiring device and sheet material processing apparatus including same

A signal output apparatus comprises an impact applying unit applying an impact to a sheet from the outside thereof, and a detection unit outputting a signal by the impact. An apparatus for determining the type of sheet comprises an impact applying unit applying an impact to a sheet from the outside thereof, and a detection unit outputting a signal by the impact, wherein the type of the sheet is determined based on the signal from the detection unit. An image forming apparatus comprises an impact applying unit applying an impact to a sheet from the outside thereof, and a detection unit outputting a signal by the impact. A method for determining the type of sheet comprises the steps of applying an impact to a sheet from the outside thereof, outputting a signal from a detection unit by the applying step, and determining the type of sheet based on the signal. An apparatus carries out the method for determining the type of sheet. An information output apparatus used in an image forming apparatus comprises an impact applying unit applying an impact to a target from the outside thereof, and a detection unit outputting information by the impact.

Signal output and image forming apparatus with method of judging sheet type by impact detection

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Atsugi, Japan

Norio Kaneko