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Class 427/143 - STENCIL BLANK MAKING


Subclass of Class 427 - Coating processes
Definition: Processes directed to the production of blanks intended
No. of patents: 43
Last issue date: 08/07/2007


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NumberTitleIssue Date
7252874Heat-sensitive stencil, method of preparing stencil printing master and stencil printer
A heat-sensitive stencil including a thermoplastic resin film on which a porous resin layer and a porous reinforcing layer are formed in succession. A porous fibrous layer may be disposed between the porous resin layer and the porous reinforcing layer. ...
08/07/2007
7201938Thermosensitive stencil paper and method of producing the same
A thermosensitive stencil paper having a thermoplastic resin film and a porous resin layer which is provided on the thermoplastic resin film by coating a porous resin layer formation coating liquid including a water-in-oil emulsion of a resin on the thermoplastic re...
04/10/2007
7093746Coated stencil with reduced surface tension
A stencil used for printing solder paste on a contact pad of a printed wiring board has interior surfaces that define one or more apertures through the stencil. Those interior surfaces are coated with a material, such as parylene, having a lower surface tension than...
08/22/2006
6957608Contact print methods
A method of and device for controlled printing using liquid embossing techniques is disclosed. In accordance with the embodiments of the invention a stamp comprises a differentiated embossing surface with protruding and recessed surfaces to enhance the ability of th...
10/25/2005
6955726Mask and mask frame assembly for evaporation
A mask frame assembly includes a frame having an opening and a mask having at least two unit mask elements. Both ends of each unit mask element are fixed to the frame in a state of tension. The unit mask elements include a unit masking pattern, and overlap each othe...
10/18/2005
6936181Methods for patterning using liquid embossing
The current invention is directed to a method of patterning a surface or layer in the fabrication of a micro-device. In accordance with a preferred embodiment of the invention, a first mask structure is formed by depositing a layer of a first material onto the surfa...
08/30/2005
6716487Decorative stickers from inkjet printing and method therefor
An article of manufacture for the construction of environmentally compatible stickers which are decorated using inkjet printing methods comprising a polymer plastisol biodegradable rubber resin as its primary ingredient to form one layer from bonding multiple layers...
04/06/2004
6681691Screen printing stencil production
A method of producing a screen-printing stencil having open areas and blocked areas for respectively passage and blocking of a printing medium. The method includes providing a receptor element having an image-receiving layer capable of receiving a first c...
01/27/2004
6541561Resin 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
6521287Method for manufacturing improved stencil/screen
A method and apparatus for improved stencil/screen print quality is disclosed. The stencil or screen assists in application of a printable material onto a substrate, such as an adhesive to a semiconductor die of a semiconductor wafer during a lead-on-chip...
02/18/2003
6403150Heat-sensitive stencil and method of fabricating same
A heat-sensitive stencil having a thermoplastic resin film, and a porous resin layer formed thereon. The stencil has an air permeability in the range of 1.0 cm3 /cm2.multidot.sec to 157 cm3 /cm2.multidot.sec in ...
06/11/2002
6326057Vapor phase diffusion aluminide process
A process for forming a diffusion aluminide coating on an article, such as a component for a gas turbine engine. The process is a vapor phase process that generally entails placing the article in a coating chamber containing an aluminum donor material, wi...
12/04/2001
6092462Stencil printing method, apparatus, and plate including shrinkable polymeric material
A regenerable stencil printing plate is provided, which can be repeatedly used in master making and printing. The stencil printing plate comprises a film made of such a polymeric material as polypyrrole and polythiophene which shrinks when it adsorbs a sp...
07/25/2000
6025066Stencil sheet roll and a method for preparing the same
The present invention provides a stencil sheet roll formed by winding up a stencil sheet to form a roll, the sheet including a thermoplastic resin film and a porous support laminated thereto, wherein the compression elastic modulus of the sheet is not les...
02/15/2000
5908687Heat-sensitive stencil and method of fabricating same
A heat-sensitive stencil including a thermoplastic resin film, and a porous resin layer formed thereon. The porous resin layer contains fibers having an average length in the range of 30 μm to 10 mm. The stencil is produced by applying a coating liquid o...
06/01/1999
5879792Stencil printing sheet and process for stencil making the same
A stencil printing paper and a process for perforating and engraving the same having the advantages in that the production of the stencil printing paper is easy, the resulting production cost can be thereby reduced and there is no generation of any proble...
03/09/1999
5824362Platemaking process for perforating stencil printing sheet
A process for platemaking a stencil printing sheet having a solvent-soluble resin layer wherein a solvent is selectively fed to the resin layer so that only the solvent contacts a surface thereof thereby perforating the solvent-soluble layer....
10/20/1998
5806271Device and method for providing a barrier to unwanted penetration of finishing materials
A barrier device for preventing unwanted penetration of finishing materials from one surface onto another is disclosed. The barrier device is particularly useful to protect one surface from unwanted penetration of paint or varnish while the adjacent surfa...
09/15/1998
5640827Device and method for providing a barrier to unwanted penetration of finishing materials
A barrier device for preventing unwanted penetration of finishing materials from one surface onto another. The barrier device is particularly useful to protect one surface from unwanted penetration of paint or varnish while the adjacent surface is coated....
06/24/1997
5458915Process for producing heat-sensitive stencil sheet
A process for producing a heat-sensitive stencil sheet (7) is disclosed, which makes it possible to readily form a porous substrate layer having a uniform and dense fiber dispersion on a thermoplastic resin film (3). The process is characterized by electr...
10/17/1995
5447757Process 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
5240737Method of manufacturing printed circuit boards
In a method of manufacturing printed circuit boards by coating a flux preventive film for preventing a flux from rising on a component surface of an insulation board, the method of manufacturing printed circuit boards according to the present invention is...
08/31/1993
4961377Thermal stencil master sheet and adhesive therefor
A thermal stencil master sheet for stencil printing has a thermoplastic synthetic resin film which is perforatable with heat and a porous substrate, which is substantially unchanged by the heat. The film is bonded to the substrate with a urethane adhesive...
10/09/1990
4803110Coated mask for photolithographic construction of electric circuits
A mask for deposition of electrically-conductive paste material on a ceramic base, in the construction of electric circuits having multiple electronic chips is formed of molybdenum with a titanium nitride coating. The coating passes through apertures of a...
02/07/1989
4766033Highly heat-sensitive film for stencil
The present invention relates to a highly sensitive heat-sensitive film for stencil. This invention provides a highly heat-sensitive film for stencil, comprising a thermoplastic resin having a coefficient of temperature and melt viscosity (ƊT/Ɗ log VI) ...
08/23/1988
4702786Sign sandblasting method
This disclosure relates to a method of manufacturing a sign or similar article by providing a wooden substrate having an upper surface; providing a laminate formed by several plies including a ply of sandblast-resistant material, an adhesive, a ply of vin...
10/27/1987
4626463Diskette having wear-resistant magnetizable layer
Magnetizable layer of a diskette, as in the prior art, comprises acicular magnetizable particles, alpha-Fe2 O3 particles, and head-cleaning agent particles dispersed in nonmagnetizable binder. The magnetizable layer of the novel disk...
12/02/1986
4477557Stencil making and utilization methods, apparatus and articles
Stencils of a desired design are made by selective hardening of first and second individually soluble substances being hardenable in admixture in a foraminous stencil blank, which is initially impregnated with the first substance. The second substance is ...
10/16/1984
4444808Stencil paper for mimeography and process for making stencil
A stencil paper for mimeography is disclosed. The paper is comprised of a porous base which is permeable to mimeographic ink, having thereon a heat-sensitive layer of a material that is solid at ordinary temperatures but which liquifies upon heating. A pr...
04/24/1984
4434198Duplicating stencil
A duplicating stencil is produced by placing an electrostatically-produced image on a substrate in contact with an ink-impervious surface layer of a stencil blank, bending the image to the surface layer by the application of heat and/or pressure and strip...
02/28/1984
4430137Paint mask and method
A paint mask and method for masking a work surface wherein the mask structure is comprised of a first mask layer and a second liner layer. One face of the first layer includes an adhesive coating with the second layer being adhesively secured thereto. A p...
02/07/1984
4422898Technique for the fabrication of an iron oxide mask
Iron oxide films for "see-through" photomasks are deposited upon heated substrates by chemical vapor deposition from iron pentacarbonyl in the presence of oxygen. The solubility of the iron oxide film is found to be higher, the lower the temperature of th...
12/27/1983
4379187Method of producing a brick wall facing
The method of U.S. Pat. No. 3,096,195, incorporated by reference, is simplified by applying adhesive tape units, each of which consists of an assembly of a horizontal adhesive tape representing a horizontal mortar line for a course of brick to which are f...
04/05/1983
4363683Process for affixing marker to fabric
A method for applying adhesive to a printed paper commercial garment-making rolled pattern marker includes spraying the back (upward facing) side of the marker with a fast-drying adhesive and as the upper surface of the applied adhesive becomes tacky, rol...
12/14/1982
4351685Duplicating stencil
A duplicating stencil is produced by placing an electrostatically-produced image on a substrate in contact with an ink-impervious surface layer of a stencil blank, bonding the image to the surface layer by the application of heat and/or pressure and strip...
09/28/1982
4309455Method for making sleeves for rotary screen printing
Sharp, endless sleeves for rotary screen printing having superior durability to printing can be obtained by a method of the present invention. According to this method, a metal image-forming layer having a smooth endless outside surface and a thickness in...
01/05/1982
4216019Photographically produced stencils
There is provided a method for producing a stencil for use in screen printing which method comprises coating a screen mesh with liquid photopolymerizable composition, imagewise exposing the coated mesh to radiation to polymerize liquid composition on the ...
08/05/1980
4209565Self-adhering stencil
A self-adhering stencil in which a heat sensitive bonding resin is disposed as a coating on the uncoated tissue or incorporated in the stencil layer or disposed as a coating on either or both sides of the stencil layer....
06/24/1980
4180621Pressure-sensitive duplicating stencil
Pressure-sensitive duplicating stencils comprise an impregnated sheet of stencil tissue strippably attached by a laminating coating to a backing sheet, which is removed during use of the imaged stencil....
12/25/1979
4177728Method for producing duplicating stencils
A duplicating stencil comprising a perforated or porous ink-permeable sheet composed of a synthetic resinous film or a metal sheet or film of aluminum or copper. The perforated or porous ink-permeable sheet is coated with a binding agent coating which coa...
12/11/1979
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