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7494828 |
Substrate holder and device manufacturing method
A second substrate, e.g. a III/V compound semiconductor, is placed on a first substrate, e.g. a wafer, in the vicinity of placement marks on the first substrate. The second substrate is exposed to...
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7180578 |
Exposure assembly for exposing a double-sided printed circuit panel to light
An exposure assembly and an exposure installation for exposing a double-sided printed circuit panel to light through a first and a second artwork, including at least one exposure assembly having a...
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6493059 |
Installation for exposing a double-sided printed circuit card to light
The invention relates to an installation for exposing a double-sided printed circuit card to light through artworks. The installation comprises a first artwork-support (10) that is fixed, a second...
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5995205 |
Light exposure installation of a double-sided printed circuit plate through artworks
The invention relates to a light exposure installation of a double-sided printed circuit plate through a first and a second artwork equipped with a location mark. It includes a first (10) and a...
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5794087 |
Photographic film pre-exposure apparatus and method
Bulk rolls of film are pre-exposed with a latent image of artwork positioned within a film frame. Multiple frames, each having an artwork image portion and an opaque portion, are formed within an...
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5563682 |
Exposing apparatus with mask alignment system and method of aligning, exposing and transferring work
In an exposing apparatus including an alignment stage A, an exposing stage B, transferring mechanisms 10 and 11 provided in the alignment stage and the exposing stage, a light source device 9, and...
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5543890 |
Process and device for adjusting the distance between a workpiece and a mask
A process and device for adjusting distance for purposes of parallel positioning of a workpiece relative to a mask at a preset distance in which production can be done easily and with low costs. A...
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5172160 |
Optical lithographic device having a machine frame with force compensation
An optical lithographic device having a machine frame (1) to which is fastened a lens system (11) having a vertical optical main axis (13). Below the lens system (11), a positioning device (35) is...
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4855793 |
Step and repeat system
A step and repeat system which does not require restripping of an image to reposition it either vertically or horizontally. The image is secured to a substrate which is provided with two holes...
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4787615 |
Device for automatically supplying/discharging photosensitive material in an inclined-type step and repeat machine
A device for supplying/discharging PS plates in an inclined-type step and repeat machine having a rearwardly inclined exposing table which includes a supplying holder disposed on a side of the...
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4785335 |
Method of printing through contact exposure in step-and-repeat machine
Disclosed is a method of printing through a contact exposure in a step-and-repeat machine which is constituted by a photosensitive material holder for supporting a photosensitive material, an...
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4714947 |
Contact printer for photosensitive materials
A contact printer includes a printing table for mounting of photosensitive material thereon, a framework for supporting a light-transmitting plate, a packing, a conveyor belt for movement of an...
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4669868 |
Step and repeat exposure apparatus and method
An apparatus and method for exposing a film of radiation sensitive material overlying a substrate to a pattern of radiation utilizes proximity focusing of a mask pattern onto the film and step and...
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4640612 |
Method and apparatus for controlling continuously operation of automatic photo-composer
The present invention relates to a continuous and automatic operation control method and apparatus for an automatic photo-composer, and is composed mainly of the steps of attaching a mark such as a...
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4583849 |
Method and apparatus for exposing color correction masks and color separation negatives
Methods and apparatus are provided for producing a set of color correction masks on a single piece of masking film, or a set of color separation negatives on a single piece of separation negative...
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4580892 |
Contact printing apparatus
An apparatus comprising a first conveyor mechanism for reciprocating movements on a straight line and a second conveyer mechanism for reciprocating movements in a direction orthogonal to the moving...
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4553834 |
Mask aligner having a malfunction disposal device
A mask aligner for aligning a wafer with a mask and exposing the wafer to an image of the mask, includes an illumination source for illuminating the mask, plural devices for executing plural...
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4440493 |
Printing apparatus
In an apparatus for printing a mask pattern on a wafer for manufacturing a semiconductor circuit element, the exposure of the mask pattern is effected by being divided into a plurality of times....
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4372677 |
Precision planar positioning device
A device for the precision positioning of substantially planar materials, especially for use in the lithographic arts. In particular, photographic masks are precisely located for superimposition on...
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4358198 |
Apparatus for moving table on stage
An apparatus for moving a table or a stage having movable parts adapted to be guided by guide rail means slidingly and rectilinearly. At least the movable parts are made of a non-iron light metal...
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4351610 |
Photocomposer
A photocomposer includes a fixed rearwardly inclined backboard for supporting a sensitized lithographic plate. To substantially reduce the weight of the backboard and its supporting structure, the...
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4331275 |
Orthogonal film drive
A high precision strip film drive, typically for microfiche film, that includes two spaced-apart drive rollers, separately driven by two servo electric motors. The motors are biased against each...
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4325632 |
Method of photographic printing and a photographic original plate for use therein
By providing a photographic original plate on which an original picture image and a light-shielding mask are formed, two identical pictures can be formed by exposing a sheet of photosensitive...
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4322161 |
Stripper's table and method of compositing lithographic work pieces
An open face vacuum light table with an associated overhead high intensity light source is provided with a movable, preferrably pivotable, framer structure capable of overlying either of two table...
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4287564 |
Method of correcting for misalignment of microfiche frames
A method of reading selected ones of an array of data frames from a microfiche medium substantially without errors attributable to misalignment of the frames. The method, which utilizes a...
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4225225 |
High registration photomask machine and computerized numerical control system
A photographic system and a microcomputer based control system are provided for providing photographic exposures. An illumination control system for generating high registration photomasks is...
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4142794 |
Step and repeat system
A step-and-repeat registration system is disclosed for making multiple-image plates for use in flexographic printers or the like. The negative which carries the image to be transferred to a...
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4120583 |
High registration photomask method and apparatus
A machine and a control system are provided for generating high registration photomasks with a contact printing arrangement. Further, a unique control arrangement is provided for controlling a...
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4094605 |
Apparatus for producing identical sheets of material having a number of representations thereon
An apparatus for producing identical flat carriers each having an identical representation thereon, by the steps of providing a plurality of individual representations on a flat material in a...
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4058359 |
Apparatus for copying sheet originals
Copying apparatus of the type in which an original after being passed through a copying path with a copy sheet can be either delivered away or passed back through a return path into the copying...
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4047813 |
Auto editors
A microfiche or microfilm editing device in which a microfilm or microfiche to be edited is supported on a frame arranged to be driven in an x and y axis directions according to a program, the...
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3972610 |
Electrophotographic apparatus for production of plural images on a sheet
Apparatus for electrophotographically imaging a photosensitive film in which a fractional area of the film, selected by automatic or preprogrammed access, is electrostatically charged and...
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3904291 |
Photoexposure mechanism and contact printer therefor
A photographic artwork generating mechanism comprises a contact printer for exposing relatively large area images on a photosensitive surface in combination with another photoexposure device for...
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3873202 |
DEVICE FOR MOUNTING POLYCHROME HALFTONE NEGATIVES ON SHEET FILM
A device enabling to mount repeatedly halftone negatives for each color for polychrome printing in predetermined positions on sheet film comprising a negative fixing implement capable of detachably...
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3858978 |
CHUCK FOR USE IN OUT-OF-CONTACT OPTICAL ALIGNMENT AND EXPOSURE APPARATUS
A calibrator plate is retractably mounted between a mask holder and a wafer chuck, which is in turn pivotally mounted below the mask holder on a piston for axially moving the wafer chuck towards...
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3844655 |
METHOD AND MEANS FOR FORMING AN ALIGNED MASK THAT DOES NOT INCLUDE ALIGNMENT MARKS EMPLOYED IN ALIGNING THE MASK
An automatic alignment and exposure system is employed for aligning a pair of alignment marks on a semiconductive wafer with a corresponding pair of alignment marks on a photomask to align the...
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3794419 |
DUPLICATING MACHINE TO CONVERT MICROFILM TO MICROFICHE
A film exposing device for use in a machine to convert information on a strip of microfilm to information in the form of microfiche. The exposing device comprises a light source about which a...
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3733126 |
STEP-BY-STEP DRIVE USEFUL IN MICROFICHE CAMERAS
A microfiche camera embodying a film-indexing mechanism for frame-by-frame and row-by-row exposure of the film in a grid-like fiche pattern, the drive embodying a first carriage mounted for linear...
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3717975 |
APPARATUS FOR CORRECTING PRINTING ERRORS
This invention relates to a photo correction apparatus that employs a light chamber and a pair of slidable masks with a light in the base of the chamber to facilitate the registration of a print...
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3716296 |
METHOD AND ELECTRONIC CIRCUIT ARRANGEMENT FOR PRODUCING PHOTOMASKS
A method and electronic circuit arrangement for producing photomasks comprising repetitive patterns of any desired size regardless of the size of the image field of an optical projection system....
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3695760 |
PHOTOLITHOGRAPHICAL IMAGE PROCESSING APPARATUS
A chase for use with a tabbed image carrier in a step and repeat photolithographical image processing operation. The chase comprises a flat-faced frame having a platen formed therein for supporting...
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3685902 |
FICHE CAMERA DEVICE
A fiche camera is described for exposing frames on a film strip which subsequently is converted to a matrix array of photographic frames on a fiche, and the camera includes a fiche coordinate...
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3680461 |
STEP-AND-REPEAT CAMERA HAVING AN IMPROVED FILM INDEXING MEANS
A step-and-repeat camera is disclosed which includes a film support frame for supporting film in a focal plane and a suitable lens for focusing an image to be photographed onto an exposure frame in...
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3639056 |
PROGRAMMED PLATE-MAKING MACHINE
A photo-offset plate-making machine particularly adapted for the exposure of a series of prints by successively locating a negative carrier in predetermined horizontal and vertical positions...
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3632205 |
ELECTRO-OPTICAL IMAGE-TRACING SYSTEMS, PARTICULARLY FOR USE WITH LASER BEAMS
To provide for digital positioning, without inertia of moving parts, a laser beam is transmitted to a substrate which is to be exposed, etched, or the like, particularly when microcircuits are to...
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3625611 |
MASTER REGISTRY CHASE FOR USE IN A VACUUM ENCLOSURE
In a vacuum enclosure having a transparent cover to enable the photoimpression of an image on a photosensitive plate therein, there is an open faced marginal frame having a stiff, hard-surfaced...
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3602591 |
STEP AND REPEAT CAMERA
A step and repeat camera for reducing and reproducing in a repeating manner an object having the pattern to be reproduced on a plurality of photographic plates. The plates are supported on a table...
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3601487 |
MICROFICHE STEP AND REPEAT CAMERA
A microfiche camera suited to expose a wide selection of film widths at relatively high speeds and with required precision. The objective lens is stationary and the film is moved transversely to...
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3600085 |
COUNTER FOR PHOTOCOPY MACHINE
A counter mechanism for a photocopy machine of the type having a reciprocating table or carrier, the mechanism including a dial, which is set to show the desired number of copies, directly coupled...
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3566763 |
DISPLACEMENT RESPONSIVE APPARATUS FOR PRODUCING PATTERNS ON A PHOTOSENSITIVE SURFACE
An apparatus for producing uniform patterns on a photosensitive surface by triggering a light source at intervals determined by the change in displacement of the photosensitive surface relative to...
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