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| Number | Title | Issue Date |
| 7981590 | Method for producing a base material for screen printing, and base material of this type Method for producing a base material (25) for screen printing, which comprises a protective film (10), a screen (5) and an intermediate resist layer (13) comprising photosensitive material, the method comprising the steps of applying a fi... | 07/19/2011 |
| 7415927 | Procedure for positioning a through-hole in a substrate A method for forming openings of predetermined position in a substrate in the form of a printing stencil by means of a laser, wherein the substrate is positioned using a fixture means in the form of a tensioning frame. In the process, a shift in position of openings... | 08/26/2008 |
| 7351321 | Method for electrochemical fabrication An electroplating method that includes: a) contacting a first substrate with a first article, which includes a substrate and a conformable mask disposed in a pattern on the substrate; b) electroplating a first metal from a source of metal ions onto the first substra... | 04/01/2008 |
| 7287537 | Megasonic probe energy director A megasonic cleaning apparatus configured to provide effective cleaning of a substrate without causing damage to the substrate is provided. The apparatus includes a megasonic probe, a transducer configured to energize the probe, and a heat transfer element disposed ... | 10/30/2007 |
| 7259640 | Miniature RF and microwave components and methods for fabricating such components RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, ant... | 08/21/2007 |
| 7125639 | Molecular transfer lithography A method for the fabrication of patterned devices, in which a latent image is initially formed in a photosensitive material on a carrier, and the exposed material containing the latent image is physically transferred to a substrate before processing. Physical transf... | 10/24/2006 |
| 7115353 | Computer screen imaging system for the preparation of print screens A system and method for generating a master screen for a silk screen imaging process. Photo activated emulsion is applied to a printing screen and the emulsion is exposed according to a digitized pattern using a light emitting diode (LED) source. The LED source in o... | 10/03/2006 |
| 6976426 | Image replication element and method and system for producing the same A process and system for making an image replication element from a photosensitive printing element by digital photopolymerization are provided. The process includes forming a desired printing image on a photopolymer layer by digital light processing without the use... | 12/20/2005 |
| 6893676 | Glow in the dark puff heat transfer method and composition A method of making a glow in the dark puff heat transfer material and a composition of glow in the dark puff heat transfer material are presented in this invention. Unlike many prior art heat transfer methods, the heat transfer method utilized in the present inventi... | 05/17/2005 |
| 6841337 | Masking apparatus and method A masking apparatus and method includes a substrate fabricated to include a mask removable affixed to a backing. A plurality of designs may be formed in the apparatus by conventional methods. The mask may be cut into variable lengths and thereafter removably attache... | 01/11/2005 |
| 6808865 | Photosensitive resin composition of aqueous emulsion type Present invention provides an aqueous emulsion type photosensitive resin composition which forms a cured film significantly superior in water and solvent resistances in comparison with the conventional aqueous emulsion type photosensitive resin compositions. This ph... | 10/26/2004 |
| 6749996 | Puff heat transfer The present invention is a puff heat transfer, a puff transfer composition, and a method of making a puff transfer composition. The puff transfer composition, i.e., ink, is actually loaded with the color. In particular, the transfer composition comprises effective a... | 06/15/2004 |
| 6634289 | Screen printing stencil production Screen printing stencils are produced by a positive-working method which involves no light-sensitive materials and does not require the use of safe lights. A coated receptor film having a coating layer and a support layer is imaged using an ink-jet printe... | 10/21/2003 |
| 6573023 | Structures and structure forming methods The present invention includes structures, lithographic mask forming solutions, mask forming methods, field emission display emitter mask forming methods, and methods of forming plural field emission display emitters. One aspect of the present invention p... | 06/03/2003 |
| 6541561 | Resin reinforced cross-linkable printing inks and coatings A method is disclosed of making a polymerizable printing ink which comprises mixing a powdered polymer with a liquid composition comprising at least one polymerizable monomer or oligomer, said oligomer or monomer being polymerizable and the powdered polym... | 04/01/2003 |
| 6503683 | Screen printing stencil composition with improved water resistance The invention resides in a photosensitive composition for screen printing. Preferably, the composition of the invention comprises a polymer comprising a vinylpyridine monomer or polymer having a pyridinium salt character and a photoreactable constituent. ... | 01/07/2003 |
| 6492071 | Wafer scale encapsulation for integrated flip chip and surface mount technology assembly A device and process for applying mixtures of adhesive formulations combined with solder flux such that flip chips may be rapidly encapsulated with such combinations without interfering with subsequent wafer processing steps are provided. Also provided is... | 12/10/2002 |
| 6387594 | Plate making film, plate making ink, plate making method using the film, and plate making system using the film A plate making film has a layer provided on a transparent substrate, the layer consisting essentially of a polymeric compound composed of a repeating unit represented by the following general formula (1): .brket open-st.AXAR1.brket close-st. (1) wh... | 05/14/2002 |
| 6333137 | Screen printing stencil A photopolymerizable composition for making screen printing stencils. The composition comprises polyvinyl alcohol having at least one photocrosslinkable group appended thereto. At least one metal salt, wherein the metal is selected from: aluminum, zinc, c... | 12/25/2001 |
| 6319851 | Method for packaging semiconductor device having bump electrodes A resin sealing film is formed on a silicon substrate by using a printing mask and a squeegee. The side surface in the tip portion of the squeegee is substantially V-shaped, and the printing is performed by pushing the tip portion of the squeegee into the... | 11/20/2001 |
| 6309799 | Process for producing a printing form The invention relates to a process for producing a printing form, in which a covering layer (5) is applied to a first radiation-sensitive layer (4) arranged on a carrier (1), the applied covering layer (5) is structured in accordance with a pattern to be ... | 10/30/2001 |
| 6232041 | Heat transfer A method of making a heat transfer from an image for application to a T-shirt or other piece of cloth is disclosed. An image is scanned to create a computer image represented by a computer readable image file. The image is separated into a plurality of co... | 05/15/2001 |
| 6225026 | Printing stencil and a method for preparation thereof It is an object of the present invention to provide a printing stencil and a method for its preparation. There is thus provided, In accordance with a preferred embodiment of the present invention, a printing stencil comprising a porous stencil carrier lay... | 05/01/2001 |
| 5994033 | Screen printing stencil A screen printing stencil made from a composition comprising polyhydroxy compounds having a plurality of 1,2- or 1,3-diol groups along a polymer backbone, the diol groups grafted thereto a compound of formula (I) (where A is an arylene or an alkylene grou... | 11/30/1999 |
| 5922496 | Selective deposition mask and method for making the same A material deposition contact mask is disclosed in which apertures formed therein have a larger dimension in lower openings in a bottom side of the mask contacting the substrate than in constricted openings located near the top side of the mask. Apertures... | 07/13/1999 |
| 5876880 | Process for producing a structured mask A process is disclosed for producing a structured mask for use in reproducing structures of that mask on an object with the aid of electromagnetic or particulate radiation, in particular for ion beam lithography. A flat smooth substrate of more than 20 μ... | 03/02/1999 |
| 5645975 | Screen printing stencil composition with improved water resistance The invention resides in a photosensitive composition for screen printing. Preferably, the composition of the invention comprises a polymer comprising a vinylpyridine monomer or polymer having a pyridinium salt character and a photoreactable constituent. ... | 07/08/1997 |
| 5589315 | Photosensitive compositions comprising photosensitive polyfunctional aromatic diazo compounds, and presensitized lithographic plates formed with the same A photosensitive composition containing a polyfunctional aromatic diazo compound having at least two groups of Formula (uD) in the molecule, and a photosensitive composition using the same. The diazo compound can be handled under visible light free from u... | 12/31/1996 |
| 5580698 | Scanner system for successive irradiation of a working surface, particularly for ultra-violet exposure of a photo emulsion on a serigraphic printing frame For producing fine printing patterns on large serigraphical printing frames it is possible to apply an exposure through correspondingly large film areas, but it is cheaper to make use of a successive line-by-line exposure with the use of a modulated light... | 12/03/1996 |
| 5569569 | Stencil mask A stencil mask for use in a photochemical reaction process includes a path extending between the rear and front surfaces thereof. The path is used with a window for passing photons so as to supply a reactive medium and discharge an exhaust medium containi... | 10/29/1996 |
| 5529862 | Method of forming a low distortion stencil mask A stencil mask (10) has a membrane (14) under tensile stress and at least one pattern opening (22) formed through the membrane (14). A plurality of stress relief openings (30) are formed in the membrane for reducing stress-induced distortion of the membra... | 06/25/1996 |
| 5523185 | Method for manufacturing stencil mask A method for manufacturing a stencil mask in provided, in which precise patterning and a sufficient thickness of the absorber film are ensured, and manufacturing steps are simplified. Temporary holes 1h are formed on the substrate 1 based on the precise m... | 06/04/1996 |
| 5478699 | Method for preparing a screen printing stencil To prepare a screen printing stencil, a pattern of resist, having a complementary design to the final screen printing stencil, is applied to a conductive mandrel. A patterned layer is electroformed onto the exposed surface of the mandrel such that the lay... | 12/26/1995 |
| 5460920 | Photochemical or mechanical production of flexible printing plates Flexible printing plates are produced from printing plates consisting essentially of a dimensionally stable substrate (1) and a recording layer (2) by a process in which the printing plate is produced alternatively either by photochemical or by mechanical... | 10/24/1995 |
| 5447757 | Process for making improved metal stencil screens for screen printing Polymeric ledges on a metal stencil screen are made using a polymeric layer which is partially removed by a developer solution.... | 09/05/1995 |
| 5366584 | Removing uncured emulsion from stencils during photomask production Uncured emulsion is effectively washed from a stencil in the production of photomasks by mounting a drum rotatable about a horizontal axis within a portable cabinet. The drum is driven by a small (e.g. variable speed 1/16 HP) electric motor and spins at a... | 11/22/1994 |
| 5359928 | Method for preparing and using a screen printing stencil having raised edges To prepare a screen printing stencil, a pattern of resist, having a complementary design to the final screen printing stencil, is applied to a conductive mandrel. A patterned layer is electroformed onto the exposed surface of the mandrel such that the lay... | 11/01/1994 |
| 5328752 | Substrate for printed circuit boards using photocurable resin and process for producing the same The instant invention discloses a process for producing a substrate for use in printed circuit which comprises: a vessel for containing a photo-curable resin; a masking means positioned above and in close proximity to the resin surface; a planar light for... | 07/12/1994 |
| 5328537 | Method for manufacturing screen printing plate A method of manufacturing a screen printing plate which can be obtained without using a mother mesh sheet and a resist film including a step of providing a non-plating area on the roll and exposing the roll coated with high-sensitivity photosensitive film... | 07/12/1994 |
| 5322763 | Process for making metal ledge on stencil screen A process for making a metal ledge on one side of a metal screen involves exposing through the stencil screen a photoresist layer, removing unexposed photoresist areas, plating the metal stencil screen where the unexposed photoresist has been removed and ... | 06/21/1994 |
