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6517895 |
Method of coating both sides of printed circuit boards having holes
In a method of coating substrates, especially printed circuit boards, on both sides, one side of the substrate, which is provided with holes, is coated by a coating process, especially by screen...
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6505552 |
Silk screen tensioning system
A method and apparatus for placing a predetermined tension on a silk screen, including a workstation where more than one screen may be stretched without the necessity of removing the previous...
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6505553 |
Screen printing method and screen printing apparatus
A screen-printing method, including the steps of filling, in a state in which a screen having through-holes is contacted with a print surface of a substrate, the through-holes with a print...
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6494134 |
Frame for foil stencil and stencil foil assembly
A stencil foil assembly includes a stencil foil, having a stencil pattern thereon, of a planar configuration secured to a rigid frame with an upstanding wall and a support flange emanating inwardly...
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6490971 |
Apparatus and method for framing a printing screen
An apparatus and method for framing a printing screen comprising a clamping element having a shape to conform to the mug frame with four threaded posts for attaching to a steel baseplate by...
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6450091 |
Mini-stencil and device for using same
A stencil ( 8 ) with a tension part combined with an operational device allowing deposition of solder paste to replace constituents on an electronic board. The stencil consists of a flat sheet ( 1...
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6446551 |
Method, apparatus, and plate for stencil printing having reversibly expanding and shrinking apertures
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 a polymeric material that shrinks...
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6446550 |
Screen printing machine and stencil sheet assembly
A screen printing machine including a stencil sheet assembly having a frame member having outer peripheral sides for partitioning an outer configuration and inner peripheral sides for partitioning...
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6447895 |
Thermal stencil sheet for use with a printing system
A thermal stencil sheet for use in a laser stencil printing system comprising a stencil sheet comprising a base layer, a radiation absorbing layer, and a thermal film overlying the radiation...
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6435085 |
Print screen frame assembly and method of making
A print screen frame assembly used in the textile screen print industry. The frame assembly is formed of electrical conduit comprised of a rigid metallic conduit material which is coated to resist...
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6427588 |
Device and method for supporting and tensioning a silk screen
A frame assembly for use in supporting a silk screen. The assembly uses four corner brackets in forming the frame. The corner brackets each contain two perpendicular arms. The corner brackets...
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6422139 |
STS dayloader system
A screen printing system has multiple screen cassettes stored in a magazine and a first screen cassette is transferred from the magazine into a printing station. The preferred cassette have an...
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6412408 |
Simplified screen printing machine having pressing member
A simplified screen printing machine includes a base member having a print base with an elastic member for mounting an object to be pressed; a framed stencil sheet assembly including a stencil...
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6403150 |
Heat-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 cm 3 /cm 2 ·sec to 157 cm 3 /cm 2 ·sec...
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6400388 |
Thick film thermal head and method of making the same
A thick film thermal head includes an electrical insulating substrate. A pair of heat-resistant electrical insulating plates fixed to a surface of the substrate with their side faces opposed to...
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6368897 |
Method for manufactoring and using 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...
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6363847 |
Method of applying adhesive material to parts mounted circuit board
The invention greatly improves an efficiency of a whole of aparts mounting process. In a method of applying an adhesive material to a parts mounted circuit board, a recess portion surrounding a...
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6360659 |
Corner member for a screen printing roller frame
A frame for supporting the screen of a screen printing machine including elongated frame members retaining the edges of a tensioned screen and rigid connectors coupling the frame members together....
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6352026 |
Screen printing apparatus for printing layers having different thicknesses
A screen printing apparatus for applying a printing agent in different thicknesses to a plate. A mask of the apparatus has a width corresponding to or matching the widths of two plates to be...
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6349640 |
Seal type composite stencil and plychrome picture forming method
A stencil capable of accurately transferring a picture with a plurality of colors by a person without skill. This stencil includes a plurality of die seal papers from which parts of a picture are...
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6348233 |
Method of forming conductive line features for enhanced reliability of multi-layer ceramic substrates
A method for minimizing formation of cracks at junctions between conductive vias and conductive lines in line-to-via connections on a substrate. The method comprises providing a transition zone...
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6338297 |
Precise and rapid positioning mechanism for stencil printing
A precise and rapid positioning mechanism for stencil printing comprising a stencil, a carrier, a plurality of pins, and a plurality of positioning pins. There are a plurality of same sized pin...
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6318255 |
Method of attaching coated silk screen fabric to a frame and the reusable silk screen
A method of locking a precut silkscreen fabric to splines which are then inserted into retensionable roller frames, wherein the fabric is scored where it contacts the spline, permitting the...
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6289804 |
Apparatus for supporting and tensioning a stencil
A support and tensioning frame for a stencil to enable solder paste to be applied to printed circuit boards and other electronic substrates includes a support frame engaged with at least two...
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6289801 |
Face painting stencils
A new face painting stencils for helping paint images, logos and other designs on the face of a user. The inventive device includes a card having substantially planar first and second surfaces, a...
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6286424 |
Plastic mask unit for paste printing and method of fabricating such plastic mask unit
A plastic mask unit for paste printing, which is capable of performing paste printing with superior quality for a relatively large number of times over a long life span, and also a method of...
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6283021 |
Stencil making and attaching method of printing device
According to the stencil making and attaching method of a printing device of the present invention, independent of variations in the detection of the stencil sheet set position detection sensor and...
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6272984 |
Squeegee for screen printing and screen printing method
A squeegee for use in screen printing, including a flexible portion, and one separation or two separations extending from a contact edge of the flexible portion for contact with a screen, toward a...
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6253675 |
Solder paste stenciling apparatus and method of use for rework
A solder paste stencil printing apparatus and method for applying a controlled pattern and volume of solder paste onto a single area array component site on a populated printed circuit board (PCB)....
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6250219 |
System for applying embossed patterns on textured ceilings
For applying embossed patterns on rough-textured surfaces, particularly ceilings, a simple process utilizes readily available inexpensive materials. Portions of a thin plastic sheeting are cut away...
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6244173 |
Screen-formed plated article comprising mesh cloth using core-sheath composite filament, and cylinder for rotary screen
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6240842 |
Lip stenciling device
A lip stencil plate for placing stencils on a user's lips. The lip stencil plate includes a stencil panel for placing against a user's face. The stencil panel has an inner surface and an outer...
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6240840 |
Screen printing apparatus having a pressurized upper chamber
A screen printing apparatus which is structured such that a printing agent is not left within a screen hole of a mask after printing, having a main body of the screen printing apparatus whose upper...
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6223653 |
Screen printing apparatus
In a screen printing apparatus for printing a conical object rotatable about a rotation axis (4) by means of a screen member (2) which must perform a circular motion about the cone intersection...
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6205925 |
Method for screen position correcting in screen printing
Methods and apparatus for adjusting the position of a printing screen having a center of rotation mounted on a screen frame for use in screen printing processes are disclosed. The apparatus...
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6192795 |
Screen printing apparatus with independent screen adjustment
In one aspect, the present invention is an apparatus for microregistering a screen within a screen printing device, wherein the screen printing device has at least one pallet and a pallet drive...
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6189448 |
Dual image stencil apparatus having stencil including sections with curled edges
A stencil for a printer used to print a substance onto a substrate using a blade that passes over the stencil during printing. In embodiments of the invention, the stencil includes a first section...
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6187372 |
Method for producing large area thick film resistors with uniform thickness
A method for creating large area, thick film resistors with improved predictability and uniformity. "Tent poles" are employed during the printing of the large area resistors to prop up the screen...
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6170394 |
Method of preparing and using a plastic mask for paste printing
A method of preparing a plastic mask for paste printing with a plastic sheet being provided with an area containing a predetermined pattern including one or more through-holes is carried out by the...
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6158339 |
Stencil holder assembly for use with solder paste stencil printers
A stencil holder assembly comprising a stencil plate connector and a stencil plate for use with a stencil printer in single component solder paste applications. The stencil plate connector is...
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RE36956 |
Flip up side stencil to be used with single site stencil printer
Stencils to be used with a solder paste stencil printing process and apparatus in which the stencil plate having a porous figure printing area may be used for single component solder paste...
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6142071 |
Curb address stencil kit
A re-useable stencil kit made of a semi-rigid panel material for the application of painted address characters and a decorative painted background on a street curb. A base decorative background...
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6129013 |
Stencil printer
A stencil printer of the present invention includes at least one ink drum for wrapping a master around its outer periphery. An ink feed device feeds ink to the master wrapped around the ink drum. A...
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6123024 |
Stencil incorporating electronic tag
A stencil and stencil identification system in which the stencil carries a tagging device capable of storing data corresponding to characteristics of the stencil and the pattern of apertures formed...
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6123023 |
Stencil printing method and apparatus
The disclosed stencil printing method can produce prints having high glossiness by inhibiting the uneven transfer of ink caused by operation of separation of stencil. A stencil printing apparatus...
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6119592 |
Apparatus for screen printing having a belt screen and locking frame
A belt-like screen carrying a row of printing patterns is held between two roller screen holders. The printing patterns are advanced one by one to a printing position by the rotation of the roller...
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6101938 |
Silkscreen registration system for rotary screen printing machines
A system for accurately registering multiple silkscreens relative to a printing surface after they have been clamped into a silkscreen holder of a printing head of a rotary screen printing machine,...
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6098539 |
Apparatus for screen position correcting in screen printing
Methods and apparatus for adjusting the position of a printing screen having a center of rotation mounted on a screen frame for use in screen printing processes are disclosed. The apparatus...
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6095041 |
Stencil mask with channels including depressions
The positioning of mesh side features in a stencil mask are controlled to produce a mask which possesses high structural integrity and which exhibits a low service life. Mesh side feature control...
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6094832 |
Method for depositing solder paste on a pad
Solder paste is deposited using a solder stencil with an aperture having a concave edge in order to reduce the formation of solder balls. The solder deposit may be formed on a pad such that the...
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