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5729325 |
Pellicle for a mask or substrate
A pellicle for a mask or substrate including a frame having one end surface and another end surface and a membrane extended over the frame on the one end surface side. A channel is formed in the...
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5701169 |
Illumination system and exposure apparatus with demountable transparent protective member
An illumination system includes an optical system for receiving light from a light source, a barrel for accommodating the light source and the optical system therein, the barrel having an inside...
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5699101 |
Article for cooling a sheet of thermally-processed material
A cooling article includes a plate positioned adjacent the exit of a thermal processor. The plate has a surface for receiving a sheet of thermally-processed material such that the sheet of...
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5696623 |
UV exposure with elongated service lifetime
In an ultraviolet exposure apparatus, substances contained in an atmosphere contacting a lens surface are reduced, the substances generating accumulations on the lens surface. Openings are formed...
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5680199 |
Photographic printing apparatus having temperature controlled PLZT exposure head
A photographic printing apparatus is provided with a linear exposure head arranged across and at a right angle to a transfer direction of a photosensitive material for exposing the photosensitive...
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5668625 |
Apparatus for and method for handling film in a photographic printer
An apparatus and method for handling photographic film within the print-exposure section of a photographic printer. A mask matches the film frame (negative) and has a window for the passage of the...
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5666187 |
Method and apparatus for controlling the driving of an ozone emission fan in an image forming apparatus
A method and apparatus for controlling driving of an ozone emission fan includes the steps of: when an external printing command is provided, outputting a control signal for driving the ozone...
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5661546 |
Projection exposure apparatus and method with changing imaging characteristics and illumination conditions
While a mask is illuminated under a predetermined illumination condition to transfer the image of the pattern of the mask to a substrate, the amount of imaging characteristic change of a projection...
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5647727 |
Image forming apparatus with fan cooling
In an image forming apparatus provided with a cooling fan for cooling an original table glass, a controller measures a cooling time from the end of a previous copying operation to the start of a...
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5643654 |
Pellicle structure and process for preparation thereof with dissolution of coating layer
A pellicle structure comprises a frame having a vertical through opening and a pellicle film spread on the upper the upper end of the opening of the frame. The pellicle film has a coating layer...
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5636143 |
Method and apparatus for estimating color temperature, photographing apparatus, and method and apparatus for determining exposure
There are provided a method and apparatus capable of estimating a color temperature of a photographic light source. A theoretical reference value is obtained which is represented by summation or...
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5633698 |
Exposure apparatus
An exposure apparatus comprises a substrate holding portion for holding a photosensitive substrate including a surface, a substrate stage for two-dimensional positioning of the photosensitive...
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5610965 |
Exposure method
A method of exposing a wafer to exposure energy such as ultraviolet rays or X-rays through a mask to transfer a pattern of the mask onto the wafer, for example. The temperature of the mask and/or...
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5583608 |
Condensation preventing structure for crossover rack
A condensation preventing structure for a crossover rack provided in a printer processor. The structure has a plurality of conveying rollers provided at a crossover rack provided within a printer...
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5581289 |
Multi-purpose paper path component for ink-jet printer
An ink-jet printer having improved print quality and full color printing capability on plain paper media. To accommodate placement of both input and output media trays on the same side of the...
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5577552 |
Temperature controlling device for mask and wafer holders
A temperature controlling device suitably usable in a semiconductor microcircuit manufacturing exposure apparatus exposes a semiconductor wafer to a mask to print a pattern of the mask on the...
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5576804 |
Apparatus and method for inhibiting dust adherence to the contact plate of a copying machine
A moving optical system assembly is disposed under a contact glass for supporting a document on the upper surface of a frame of a copying machine, and comprises a moving frame 2 equipped with a...
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5563681 |
Article and method for cooling a sheet of material while minimizing wrinkling and curling within the sheet
A cooling article adapted for use with a thermal-processing apparatus for cooling a thermally-processable element after the element is heated by a heating member within the thermal-processing...
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5559584 |
Exposure apparatus
An exposure apparatus is for illuminating a pattern on a mask by an illumination optical system to transfer the pattern on the mask onto a photosensitive substrate set on a stage through a...
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5555075 |
Fixation temperature control device
A fixation temperature control device is to be applied to a copying machine or the like. A control section determines a heat roller control temperature in consideration of a detected press roller...
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5550633 |
Optical measuring apparatus having a partitioning wall for dividing gas flow in an environmental chamber
An optical measuring apparatus includes an environmental chamber which has a blowing opening to which a temperature-controlled gas is supplied from an external device and an exhaust opening for...
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5539498 |
Paper receptor material conditioning apparatus and method
A receptor material conditioning apparatus and method for conditioning a moving paper web suitable for use in an electrostatographic printer. A heated drum reduces the moisture content of paper...
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5529819 |
Pellicle assembly with vent structure
A pellicle for isolating a photomask pattern from particulate contaminants. The pellicle includes a peripheral frame having at least one vent structure for the passage of a gaseous substance...
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5508782 |
Lighting unit cooling device control and combined exhaust device
An image formation apparatus comprises an image formation device for forming an image on a recording material according to image information light obtained from light emitted from a light source. A...
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5471280 |
Electrophotographic printing apparatus having air flow passage
A developing unit, an image-transfer unit and a fixing unit are located in that order in a vertically long housing from the bottom to the top of the housing, and a ventilation passage different...
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5469260 |
Stage-position measuring apparatus
An apparatus for measuring the position of a movable stage by the use of a laser interferometer is of a construction in which covers are provided on respective ones of a beam optical path for...
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5461408 |
Dual feed paper path for ink-jet printer
An ink-jet printer having improved print quality and full color printing capability on plain paper media. To accommodate placement of both input and output media trays on the same side of the...
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5438390 |
Image forming apparatus having monocoque housing structure including unitary toner collecting vessel
An image forming apparatus having components which are secured and supported by a resin apparatus body. The body if formed of mutually separable upper and lower casings, which are coupled in...
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5434644 |
Filter device
A filter device for a resist-treatment system, comprising a frame having an aperture through which the outside air is introduced into the resist-treatment system, a fan unit for sucking the outside...
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5430303 |
Exposure apparatus
An exposure apparatus comprises a light source emitting light of the ultraviolet region; an illuminating system for introducing the light from the light source into a mask bearing a predetermined...
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5414488 |
Image forming apparatus having temperature control for photosensitive member
In an image formation apparatus utilizing a photosensitive heat developable member, an image formation apparatus has a specific process control characteristic extending from heat development to...
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5390006 |
Imaging forming apparatus with improved exhaust flow
An image forming apparatus having improved air flow and/or handling of toner or other debris between a fixing device and an image carrier. In accordance with one aspect of the invention, the...
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5376990 |
Method and apparatus for promoting uniform aging and extending photoconductor life
An electrophotographic imaging device including an photoconductive imaging member having a surface extending approximate to devices generating life degrading contaminants. The printing machine...
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5345999 |
Method and apparatus for cooling semiconductor wafers
A semiconductor wafer cooling pedestal has a wafer cooling surface which includes both an electrostatic chuck portion to hold the wafer securely to the pedestal during wafer cooling and a thermal...
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5339138 |
Electrophotographic image formation method
An electrophotographic image formation method using an electrophotographic photoconductor composed of an electroconductive support, and a photoconductive layer including a charge generation layer...
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5335049 |
Exhaust device for picture image forming apparatus
An exhaust device 10, which is arranged on the upper surface of the main unit frame 11 of an electronic copying machine, a printer, or the like, is constructed with a louver 15 having a section in...
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5325159 |
Printer in closed housing
An electrostatic color printer or copier having a print medium supplied from a supply roll to a takeup roll, requiring close registration for multiple printing passes over the same portion of the...
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5325158 |
Ventilation and cooling device for a photocopier
A ventilation device for a photocopier draws ozone mixed air from a developing unit and image transfer unit and forwards it to ventilate a fusion unit where the subsequent heating of the air...
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5298938 |
Scanning apparatus air conditioner
In an apparatus for scanning an original image-bearing sheet, including a transparent sheet-retaining plate, below which are a sheet-scanning optical system, a size-detection arm having sensors for...
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5298939 |
Method and apparatus for transfer of a reticle pattern onto a substrate by scanning
A system and method for transferring a reticle (201) pattern to a substrate image (203) by scanning. The reticle is placed between an illumination system (118) and the projection lens (117). The...
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5291253 |
Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus
A transfer apparatus for electrophotography is disclosed in which the resistance values of a transfer belt and the recording paper are measured, and the current value applied to a device for...
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5274417 |
Exposing apparatus and method of forming image
An exposing apparatus adapted for exposing a completely dry photosensitive recording medium which produces no waste and uses no developing solution, and which can expose a multicolor photosensitive...
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5270771 |
Aligner and exposure method for manufacturing semiconductor device
An aligner includes a system for projecting a pattern on an original plate onto a substrate, a stage for moving the substrate in two dimensions to sequentially project the pattern on the substrate,...
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5264897 |
Wet scanning gate and use of the same for the production of enlargements of individual photographic negatives or slides
A wet scanning gate for use in the production of enlargements from picture material in the form of individual photographic negative images or transparencies connected to form a contiguous strip has...
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5229842 |
Method and apparatus for controlling fluorescent lamp mercury vapor pressure
A fluorescent lamp light output is maximized by cooling the cathode regions. Mercury vapor pressure is maintained at an optimum or desired level for light production by cooling the cathode areas of...
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5220171 |
Wafer holding device in an exposure apparatus
A substrate holding device includes a chuck having an attracting surface for holding a substrate, an inside space and an inside heat pipe structure provided in the inside space, the heat pipe...
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5218411 |
Sheet conveying device with curl reduction feature
A sheet conveying device includes a fixing unit for fixing an image formed on a sheet by heating the sheet, a conveying path for guiding the sheet fixed by the fixing unit while bending the sheet,...
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5211760 |
Paper cleaner subsystem
An insulative belt having a conductive pattern. A potential difference is applied to the conductive pattern on the insulative belt creating an attractive force that is exerted on the small...
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5206754 |
Moisture condensation prevention structure for laser scanning optical system
In a laser scanning system employed in an electrophotographic image forming apparatus there are provided a polygon mirror moveably driven in order to enable a laser beam to repeatedly scan a...
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5204755 |
Radiator system in image recording apparatus
An image recording apparatus comprising a line sensor for reading image data, a driver for outputting the image data read by the line sensor wherein the driver comprises an integrated circuit...
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