Abstract: A rotary screen printing press includes: a screen plate; a squeegee; squeegee supporting means for supporting the squeegee; and a worm and a worm wheel. The squeegee supporting means includes: a supporting plate swingably supported and supporting the worm and the worm wheel; an eccentric sleeve configured to adjust the position of the center of swinging movement of the supporting plate; and a contact surface and a screw configured to limit the direction of the movement of the supporting plate. The eccentric sleeve and the contact surface and screw cooperate with each other to move the tip of the squeegee along the tangent line of an impression cylinder at a position at which the screen plate and the squeegee contact each other.

Abstract: A printer includes: a mask; a cleaning section configured to perform cleaning of the mask by movement relative to the mask in a predetermined direction parallel with an under surface of the mask; a mask holding section capable of turning the mask about an axis perpendicular to the under surface of the mask while holding the mask; and a control section configured to perform a control such that the cleaning is performed on the mask placed in a predetermined position about the axis.

Abstract: A component mounting line has a screen printing apparatus and component mounting apparatuses. Each component mounting apparatus includes a first substrate carrying lane and a second substrate carrying lane, carries a first type substrate on which a first pattern has been printed in the first substrate carrying lane, performs a component mounting-relevant operation on the first type substrate, carries a second type substrate on which a second pattern has been printed in the second substrate carrying lane, and performs a component mounting-relevant operation on the second type substrate. The screen printing apparatus selects a type of the substrate to be carried in depending on whether a substrate is carried in the second component mounting apparatus downstream from the screen printing apparatus.

Abstract: An apparatus for forming an array of deposits on a substrate is disclosed. The apparatus may include a stencil capable of releasable attached to the substrate and having an array of openings and at least one alignment mark. The apparatus may further include a high throughput deposition printer aligned with the stencil to form an array of deposits on the substrate. The array of deposits may be aligned with the array of openings through the at least one alignment mark and an optional alignment device. Methods of manufacturing the stencil and using it to generate multiplexed or combinatorial arrays are also disclosed.

Abstract: An embodiment of a method and an apparatus for manufacturing lead frames are described. For example, a coating layer is formed on one or more predefined portions of the surface of the substrate of the lead frame by delimiting the predefined portions by means of screen printing. The employment of screen printing may allow obtaining large amounts of lead frames with excellent electronic and structural properties in a quick and cost-effective way.

Abstract: Filters capable of dissipating static charges. One example includes a filter media pack comprising fluted media secured to facing media; the fluted media having cellulose fibers; and the fluted media including an amount of carbon black sufficient to impart a static charge dissipative property thereto. One example includes an air filter cartridge having a filter media pack comprising fluted media secured to facing media; the fluted media comprising cellulose fibers; the fluted media having at least one side coated with a static charge dissipative amount of a metallic coating. These filters are useable in, for example, dust collectors.

Abstract: A flexible manufacturing system for an article of footwear includes a printing system for printing graphics onto the footwear. The flexible manufacturing system also includes a projection system for aligning a projected graphic with a predetermined portion of the article prior to printing the graphic to the article. The graphic can include a masked portion that corresponds to a design element on the article.

Abstract: The present invention relates to a production device for graphene thin film. The production device for graphene thin film according to the present invention may comprise a deposition plate in contact with a substrate at an obtuse or acute angle, wherein the substrate is coated with a graphene oxide solution; and a reciprocating linear motion device connected to the deposition plate to put the deposition plate into reciprocating linear motion.

Abstract: A flexible manufacturing system for an article of footwear includes a printing system for printing graphics onto the footwear. The flexible manufacturing system also includes a projection system for aligning a projected graphic with a predetermined portion of the article prior to printing the graphic to the article. The graphic can include a masked portion that corresponds to a design element on the article.

Abstract: A screen printing apparatus includes a print screen including a printed pattern through which an ink passes, a scraper that coats the ink on the print screen, a squeegee that makes contact with the print screen and pushes out the ink through the printed pattern. A control unit may control a transfer of the scraper. After the ink is coated on the print screen, a lower portion of the scraper is transferred to a direction, in which the squeegee is disposed, by the control unit and disposed on the squeegee. The apparatus helps avoid uneven distribution of that could result in undesirable “stains” on a substrate.

Abstract: A screen printing apparatus has a base portion, and annular rail, an arm, and a first loading position. The base portion has a pair of opposing end sections separated by an intermediate section. The annular rail circumscribes a portion of the base portion. The arm radiates outwardly from the annular rail. The first loading position is located radially inwardly of the annular rail.

Abstract: [Object] To provide a screen printing apparatus and a screen printing method with which it is possible to promote reuse of ink and thereby reduce the printing cost. [Solution] A screen printing apparatus 101 includes an ink recovery mechanism 110 that recovers excess ink 81 discharged to a region in which a scraper 60 does not slide over a screen plate 50. By sliding a squeegee 70, the ink recovery mechanism guides the excess ink from a front side 71 of the squeegee to a region that is on a back side 72 of the squeegee 70 and in which the scraper slides over the screen plate.

Abstract: A method of screen printing positionally synchronizes a plurality of pallet assemblies on a first screen printing machine with a plurality of pallet assemblies on a second screen printing machine. A screen printed garment having a properly aligned first image received from the first screen printing machine is transferred on a portion of one of the pallet assemblies on the first screen printing machine to one of the plurality of pallet assemblies on the second printing machine. The properly aligned first image on the garment is in proper positional alignment with a screen printing head on the second screen printing machine such that a second image complimentary to the first image is printed on the garment in proper position on the garment relative to the first image without user intervention to positionally locate the first image relative to the screen printing head on the second machine.

Abstract: In a screen printing apparatus, a squeegee is slid on a mask contacting a board to print paste onto the board via pattern holes formed in the mask. The screen printing apparatus includes: a box-like member including a top-plate portion in which first suction hole is formed and which is allowed to contact a lower surface of the board; a blower suction pipe which communicates with an internal space of the box-like member, and which extends outside the box-like member; a motor which sucks air through the blower suction pipe to generate a blower suction force in the first suction hole; and an inverter which changes frequencies of the motor.

Abstract: A method of screen printing positionally synchronizes a plurality of pallet assemblies on a first screen printing machine with a plurality of pallet assemblies on a second screen printing machine. A screen printed garment having a properly aligned first image received from the first screen printing machine is transferred on a portion of one of the pallet assemblies on the first screen printing machine to one of the plurality of pallet assemblies on the second printing machine. The properly aligned first image on the garment is in proper positional alignment with a screen printing head on the second screen printing machine such that a second image complimentary to the first image is printed on the garment in proper position on the garment relative to the first image without user intervention to positionally locate the first image relative to the screen printing head on the second machine.

Abstract: A flexible manufacturing system for an article of footwear includes a printing system for printing graphics onto the footwear. The flexible manufacturing system also includes a projection system for aligning a projected graphic with a predetermined portion of the article prior to printing the graphic to the article. The graphic can include a masked portion that corresponds to a design element on the article.

Abstract: A flexible manufacturing system for an article of footwear includes a printing system for printing graphics onto the footwear. The flexible manufacturing system includes a first display device that is transparent and which may be used to superimpose graphics over an article to align the article with the printing system. An optical device and a second display device provide a fixed viewing angle for a user aligning the article under the first display device.

Abstract: A method for the manufacture of at least part of a thin-film device including forming one or more indentations in a substrate, preferably a plastic substrate, an indentation having sidewalls and a base; filling at least one of the one or more indentations with a first ink, the first ink having a first material precursor, preferably a first metal-, semiconductor-, or a metal-oxide precursor; and, annealing at least a portion of the first ink such that a surface of the base inside the indentation is dewetted and a narrowed first structure of the first material inside of the indentation is formed.

Abstract: [Object] To provide a screen printing stencil including an amorphous carbon film, such as a DLC film, and a water-oil-repellent layer provided on at least part of the amorphous carbon film so as to exhibit high fixability. [Solution] A screen printing plate 10 of an embodiment of the present invention includes a mesh 16 fixed to a frame body 12; an emulsion layer 14 which fills up the mesh 16 and has a print pattern opening 18; an amorphous carbon film formed on at least part of the surface of an inner wall 22 of the print pattern opening 18 and composed of at least one element of silicon, oxygen, and nitrogen; and a thin film 20 of a fluorine-containing silane coupling agent formed on at least part of the amorphous carbon film.

Abstract: A screen printer 100 for paste material printing is disclosed herein. In a described embodiment, the screen printer 100 comprises a printing chamber 104; and a plurality of support members in the form of lifting tables 114, 116 arranged adjacent to one another along a single conveying path for individually supporting a respective PCB 202, 240 in the printing chamber 104. The screen printer 100 further includes a stencil 120 having a plurality of print patterns 124, 126 with each print pattern 124, 126 arranged adjacent to another print pattern to correspond to the positions of the lifting tables 114, 116 with each print pattern 124, 126 corresponding to a desired paste pattern to be printed onto the PCBs. The screen printer 100 also includes a paste printer arranged to print paste material on the at least one substrate using at least one of the print patterns. A screen printing method is also disclosed.

Abstract: In a squeezing operation by a closed type squeegee mechanism which is configured so that paste compressed internally is packed from a printing opening between a pair of sliding members, before the packing of the paste into pattern holes via the printing opening, the sliding member positioned on a leading side of a squeezing direction between the pair of sliding members and moves in the squeezing direction so that the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is packed into the pattern holes.

Abstract: In outward path and returning path operations of a printing executing step where paste is packed into pattern holes by moving a closed type squeegee mechanism in a squeezing direction, the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is spread due to a deposition members by moving the deposition members of paste deposition mechanisms positioned on a following side in a traveling direction, in the traveling direction in a state close to the upper surface of the mask. Therefore, a paste film having a predetermined thickness is formed.

Abstract: A flexible manufacturing system for an article of footwear includes a printing system for printing graphics onto the footwear. The flexible manufacturing system includes a first display device that is transparent and which may be used to superimpose graphics over an article to align the article with the printing system. An optical device and a second display device provide a fixed viewing angle for a user aligning the article under the first display device.

Abstract: In a returning path operation for moving a closed type squeegee mechanism in a direction opposite to a squeezing direction after an outward path operation where paste is packed into pattern holes by moving the closed type squeegee mechanism in the squeezing direction, the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is spread due to a deposition member, by moving the deposition member of a paste deposition mechanism in a state close to an upper surface of the mask in the direction opposite to the squeezing direction. Therefore, a paste film having a predetermined thickness is formed.

Abstract: A pressing mechanism that presses a dam member 30 against a screen mask 12 has a guide shaft 32 that guides a direction of movement of the dam member 30 during pressing operation and a compression spring 33 that forces the dam member 30 in an axial direction of the guide shaft 32. A printing pressure value at which the dam member 30 is pressed against the screen mask 12 is made stable, to thus make stable an effect of preventing effluence of the paste to the outside of a print width on the screen mask 12.

Abstract: A device (1) for printing an impression by silk screen printing on at least one object (3), comprising of: a chassis (27); an object holder module (5) being movable relative to the chassis along a direction of pressing (Oz); a print head (7) including a screen holder module (29) and a squeegee holder module (31), the print head being movable relative to the chassis between an operating position close to the object holder module, and a maintenance position away from the object holder module, and an actuator (8) having a first part (125) and a second part (127) that is movable relative to the first part (125), the actuator (8) being adapted, in a first mode of operation, to be supported on the chassis by the first part and capable of moving the print head from the operating position to the maintenance position by a movement of the second part.

Abstract: A screen printing machine for forming a print of paste supplied to a mask plate having pattern holes, includes: a flexible filling squeegee which performs a squeegeeing operation in which the filling squeegee is moved relative to the mask plate in a printing direction; and a scraping squeegee which is held to maintain a given interval from the filling squeegee in the printing direction and to be movable together with the filling squeegee in the printing direction, and which scraps off the paste remaining on the mask plate after passage of the filling squeegee. In the squeegeeing operation, the filling squeegee is pushed up and bent by the paste to provide a clearance between a bottom end of the filling squeegee and the mask plate with the paste interposed therebetween so that the pattern holes are filled with paste with a prescribed filling pressure.

Abstract: A screen printing machine for forming a print of paste supplied to a mask plate having pattern holes, includes: a filling squeegee which is held to have a given clearance with respect to the mask plate, and which fills the pattern holes with the paste by moving the filling squeegee relative to the mask plate in a printing direction; and an urging member which urges the filling squeegee toward the mask plate such that at least the given clearance is maintained. The screen printing machine further includes a scraping squeegee which is held to maintain a given interval from the filling squeegee in the printing direction, and which scraps off paste remaining on the mask plate after passage of the filling squeegee by moving the scraping squeegee together with the filling squeegee in the printing direction.

Abstract: A light receiving section 27b receives a measurement beam, which is cast from a light projection section 27a and partially blocked by cream solder 19 scraped up by a squeegee 16, whereby a sensor 27 measures a one-dimensional size of a predetermined region of a cross sectional profile of the cream solder 19 as a cross sectional paste length and takes the cross sectional paste length as an index for an amount of residual cream solder 19. The amount of residual cream solder 19 can be numerically grasped at all times, so that versatility and accuracy in detecting the amount of residual cream solder 19 can be assured.

Abstract: An electrode formation method for a solar cell to form an electrode of a base member, includes a screen printing process and a baking process. The screen printing process includes: mounting a metal mask on a surface of the base member, wherein the metal mask includes a covering portion configured to cover a part of a surface of the base member, opening portions configured to allow parts of the base member to be exposed therefrom, and bridge portions disposed along a direction intersecting with a longitudinal direction of circuit patterns between the opening portions; and supplying a paste to an upper surface of the metal mask by a squeegee head of a cartridge type, while relatively sliding a squeegee on the upper surface of the metal mask such that the squeegee travels relatively to the metal mask. In the baking process, the paste is baked to form the electrode.

Abstract: Device for silk screen printing on an object, comprising a screen holder module for holding a screen; and a squeegee holder module for holding a squeegee for scraping over the screen along a direction of scraping. The squeegee holder module comprises a support mounted on the chassis, and a removable squeegee holder attached to the support, the support having a receiving surface for receiving the squeegee holder, and the squeegee holder having a fastening plate for fastening the squeegee holder on the receiving surface with a scraping direction extending along a direction of printing (Ox), and an alternative fastening plate for fastening the squeegee holder in an alternative printing position with a scraping direction extending along an alternative direction of printing (Oy).

Abstract: A method of stencil printing small aspect features includes performing a stencil print stroke across a stencil having at least one small aspect opening with a stencil printer having a squeegee blade, and venting an area below the at least one small aspect opening. Another method includes performing a stencil print stroke across a stencil having at least one small aspect opening with a stencil printer having a multi-blade squeegee, and venting an area below the at least one small aspect opening. A stencil printer includes a stencil having apertures formed therein, and a print head positioned over the stencil and configured to deposit viscous material within the apertures of the stencil. The print head includes a support, a first pair of blades secured to the support, and a second pair of blades secured to the support.

Abstract: A print head assembly (119) for printing a print medium (PM) onto a workpiece (W) through a printing screen (105) which includes a screen element having a pattern of printing apertures therein, the assembly comprising: first and second carriages (141) which are in use movably supported on respective ones of first and second guides (117); and first and second print head units (143, 145) which are mounted in adjacent, parallel relation to and between the carriages, wherein the print head units each comprise first and second print head actuators which are mounted on respective ones of the carriages, and a support member (151) which extends between the print head actuators, such as to be movable vertically thereby, and in use supports a printing element.

Abstract: A screen-printing squeegee, as well as an apparatus for screen printing, includes an elastic application element and a holding apparatus for the application element. The holding apparatus is divided, as viewed over the width of the application element, into a plurality of holding sections which can move with respect to one another, in which a leaf spring element is provided. The leaf spring element interconnects the holding sections which can move with respect to one another.

Abstract: A screen printer includes: a mask having a first area formed with a first pattern and a second area formed with a second pattern; and a print head which forms a past printing on a board and is movable on the mask. When a paste print is formed using the first pattern, the print head moves from a start position located between the first area and the second area to the first area and then returns to the start position. When a paste print is formed using the second pattern, the print head moves from the start position to the second area and then returns to the start position.

Abstract: Improvements in a rotary screen printer that operates with a stepper motor for indexing the screen printer. The stepper motor provides a positive rotation and locating of the printing arms. The stepper motor can also have a controlled acceleration and deceleration speed while it indexes. The stepper motor further drives a spur gear to improve the drive ratio from the stepper motor to the indexing arms. The rotary screen printer uses pneumatic cylinders to operate the screening arms. Pneumatic cylinders are controllable for the downward force by adjusting pressure regulator(s) and the stroke by adjusting either limit switches or mechanical stops. Each station is interchangeable to accommodate the printing requirements of each job. Each station can be operated as a screen printing station, a drying station, a pad printer, and the number of stations can be changed by reprogramming the number of steps between each station stop.

Abstract: A screen printing machine including: a screen mask 1 detachably mounted to a mask mounting area set in advance; a squeegee, which is arranged above the screen mask mounted to the mask mounting area, and the squeegee reciprocates relative to the screen mask in a squeegee-movement direction; and a receptacle which is installed at a location so that the screen mask is allowed to be attached and detached and which catches applying material adhered to the squeegee.

Abstract: A rotary screen printing press includes: a sub-frame supporting a screen plate with brackets interposed therebetween, the screen plate being formed in a cylindrical shape; a screen-plate engagement-disengagement cylinder configured to move the sub-frame between a print position and a retreat position; and supporting plates supporting a squeegee in such a way that the squeegee is engageable with and disengageable from the inner periphery of the cylindrical screen plate. The supporting plates are supported on the sub-frame.

Abstract: At the two ends of a pair of clamping members (9a) which sandwich and clamp a board (10) from the Y direction, mask supporting members (9b) forming a rectangle frame are disposed, and a screen mask (12) is supported from below by the mask supporting members (9b) in a state that the board (10) abuts against the under surface of the screen mask (12). A downwards bending of the screen mask (12) can be prevented, and the time and labor of maintenance can be decreased by preventing the deposits of paste on the screen mask (12) that occur due to the bending.

Abstract: A stencil printer for printing viscous material on an electronic substrate includes a stencil having apertures formed therein, and a print head positioned over the stencil and configured to deposit viscous material within the apertures of the stencil. The print head includes a housing defining an elongate chamber, a source port defining a passage having an inlet positioned to allow viscous material to flow into the elongate chamber, a pair of blades defining a slot that provides an outlet from which viscous material can flow out of the elongate chamber, an elongate plunger movable in the elongate chamber to reduce a volume of viscous material within the elongate chamber, and at least one sensor to detect pressure of the viscous material within the elongate chamber.

Abstract: A scraper central portion in which a first contact surface has a trapezoidal shape with a lower base longer than an upper base, and scraper end portions that extend and are bent from respective lateral sides of a trapezoidal shape of the scraper central portion to a side of the first contact surface, and that include second contact surfaces that come in contact with the coating material. A lower base of the scraper central portion and lower sides of the scraper end portions are on the same plane. In a state where the first contact surface is vertical to the surface of the screen plate, the lower base of the scraper central portion and the lower sides of the scraper end portions come in contact with the coating material on the surface of the screen plate, and slide on the surface of the screen plate.

Abstract: A system and method for capturing three-dimensional image data for inspection, alignment and operations of a material applicator includes an imaging system configured to capture three-dimensional image data of an electronic substrate. The imaging system includes one or more illumination assembly configured to project a spectrum of light substantially along a first axis at an angle to the surface of the electronic substrate. The imaging system further includes an image sensor assembly configured to detect the spectrum of light reflected from an electronic substrate surface, with the image sensor assembly including a viewing plane. The material application includes a controller that is coupled to the imaging system. The controller is configured to control movement of the imaging system and to communicate with the image sensor assembly to produce a three-dimensional image of the topology of the electronic substrate.

Abstract: A challenge to be met by the present invention is to provide a screen printer arranged so as to be able to readily perform both replacement of squeegees and operation for filling a paste feed syringe with paste. A paste feed syringe (14) is configured so as to be able to sway around an axial line (41) that downwardly extends from a squeegee base (30) with respect to a horizontal line (HL) parallel to a direction of reciprocal movement of the squeegee base (30), and also be able to change its position between a paste feed attitude having an imaginary extension within a vertical plane at an oblique angle such that a nozzle (14a) provided at a lower end of the paste feed syringe comes to a position immediately below squeegees (15) and a storage attitude which is turned from the paste feed attitude through about 90 degrees around an axial line (41).

Abstract: Prior to a mark imaging process executed for the purpose of detecting a position of recognition marks for positioning the substrate and the mask, an optical axis calibration processing process of detecting a horizontal relative position between imaging optical axes, and a surface correction data creation processing process of detecting a local positional deviation of the imaging optical axes, which is caused by the travel of the imaging unit, are executed. Before starting production, a production pre-start precision evaluation process for evaluating a substrate positioning precision is executed by using a verification substrate and a verification mask, and after starting the production, a production post-start precision evaluation process for evaluating a substrate positioning precision after starting the production is executed by using a commercial production substrate and a commercial production mask.

Abstract: An improved screen printing machine is provided. The main body portion and the support table portion of the printer main body are constructed independently of each other, and the main body portion is supported by the support table portion so as to be movable forward. A feed screw is axially immovably and rotatably held by the main body portion so as to be parallel to the front and rear direction, and the feed screw is engaged with the nut provided on the support table portion. An operator rotates the handle attached to the feed screw to move the main body portion forward with respect to the support table portion so that the main body portion is drawn from the support table portion.

Abstract: A paste supply apparatus includes a plurality of paste pots each including a bottomed tubular container storing paste and a movable inner lid provided in the tubular container and having a through hole formed in a center portion thereof, and a pot holder which holds the paste pots so as to be horizontally arranged along an arrangement direction such that the through hole of each of the paste pots is directed downward and downward movement of the inner lid thereof is regulated. The paste supply apparatus further includes a pot holder moving device which moves the pot holder along the arrangement direction and selectively positions one of the plurality of paste pots at an ejection position, and a paste ejecting device which presses the tubular container of the paste pot positioned at the ejection position and which ejects the paste in the tubular container from the through hole.

Abstract: A screen printing apparatus includes a print screen including a printed pattern through which an ink passes, a scraper that coats the ink on the print screen, a squeegee that makes contact with the print screen and pushes out the ink through the printed pattern. A control unit may control a transfer of the scraper. After the ink is coated on the print screen, a lower portion of the scraper is transferred to a direction, in which the squeegee is disposed, by the control unit and disposed on the squeegee. The apparatus helps avoid uneven distribution of that could result in undesirable “stains” on a substrate.

Abstract: In a screen printing that shifts squeegees in a horizontal direction while abutting the squeegees against a mask, and slides the squeegees on the mask, and scrapes up the paste on the mask so that opening portions are filled with the paste to transfer the paste onto the substrate, a larger amount of paste Ps is supplied to regions in which the paste is scraped up by the end portions of the squeegee than a region in which the paste is scraped up by a center portion of the squeegee on the mask.

Abstract: A light receiving section 27b receives a measurement beam, which is cast from a light projection section 27a and partially blocked by cream solder 19 scraped up by a squeegee 16, whereby a sensor 27 measures a one-dimensional size of a predetermined region of a cross sectional profile of the cream solder 19 as a cross sectional paste length and takes the cross sectional paste length as an index for an amount of residual cream solder 19. The amount of residual cream solder 19 can be numerically grasped at all times, so that versatility and accuracy in detecting the amount of residual cream solder 19 can be assured.

Abstract: A screen printing apparatus including two screen printers, each including a substrate introduction portion by which a substrate is introduced from an upstream side of a component mounting line, a printing portion which performs a screen printing to the introduced substrate, a substrate discharge portion by which the substrate is discharged to a downstream side, and a substrate moving stage which receives the substrate to position the substrate with respect to the printing portion and to move the substrate to the substrate discharge portion. The two substrate introduction portions, the two printing portions, and the two substrate discharge portions are arranged symmetrically to each other with respect to a perpendicular symmetrical plane extending in a transportation direction of the substrate in the component mounting line, respectively. Each printing portion is provided at a position further from the perpendicular symmetrical plane than the substrate discharge portion.