Abstract: A solder paste printing stencil apparatus for printing a solder paste on a printed circuit board includes a plate-shaped stencil mask made of fine stainless steel grains to suppress a phenomenon in which the solder paste adheres to the stencil mask.

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: There is provided a screen printer capable of concurrently, efficiently subjecting a plurality of substrates, including different types of substrates, to printing operation. In a screen printer 2 that makes up an electronic component mounting line 1 and that prints electronic component bonding paste on a substrate, a substrate conveyance section 8 that conveys a substrate 5 forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section 7A and a second screen printing section 7B arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate 5 from a downstream machine to an upstream side of the screen printer 2 and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.

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: 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: A device for printing via screen printing an object which has a conical portion, the device includes a frame, a screen which can be moved relative to the frame, elements for rotatably driving the screen about a rotation axis, including a single motor, first members for moving the motor, the first members, extending in a first direction, second members for moving the motor, the second members extending in a second direction perpendicular relative to the first direction, the first members carrying the second members.

Abstract: A combination stencil printer and dispenser includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head coupled to the frame to deposit and print viscous material over the stencil. In one embodiment, the combination stencil printer and dispenser further includes a cleaning assembly coupled to the frame to wipe excess viscous material from a bottom surface of the stencil. The combination stencil printer and dispenser further includes a dispenser mounted on the cleaning assembly to dispense viscous material on the substrate when the substrate is in the print position. In other embodiments, the dispenser can be mounted on a movable stencil or on an independent gantry provided within the combination stencil printer and dispenser.

Abstract: A printing apparatus includes: a mask formed with a pattern hole for printing; a printing mechanism having a squeegee that comes into contact with a front surface of the mask at a predetermined contact angle, the printing mechanism causing the squeegee to slide on the front surface of the mask with a predetermined printing pressure to move a solder on the front surface of the mask while scraping the solder by the squeegee, thereby printing the solder to a substrate via the pattern hole; a detection device executing detection operation for detecting a physical quantity that changes in accordance with an amount of solder on the front surface of the mask; and a control device adjusting at least one of the contact angle and the printing pressure of the squeegee on the basis of the physical quantity detected by the detection device.

Abstract: The present invention is directed to improved screen printing squeegee blades, which include a first end, a second end, a top portion for receipt by a blade holder, a bottom portion adapted for contacting the screen of a screen printing press along at least one printing edge, a front face, a back surface, and a buckle control channel formed in either the front face or the back surface.

Abstract: A printer has a mask sheet 25, a movable print stage 3, a camera head 40 provided with a mask recognition camera 41 and a board recognition camera 42, and a controller that controls the foregoing members. The controller drives the camera head 40 under its control so that mark recognition on a board W is executed using the board recognition camera 42 and mark recognition on the mask sheet 25 is executed periodically a plurality of times using the mask recognition camera 41 while the same mask sheet is used. Also, in order to superimpose the board W on the mask sheet 25, the controller finds a correction amount corresponding to a displacement between the mask sheet 25 and the board W according to latest mask position information acquired through mark recognition on the mask sheet 25 and board position information of the board and drives the print stage 3 according to the correction amount under its control.

Abstract: A screen printing head for and method of printing deposits of a print medium onto a workpiece through apertures in a printing screen, the printing head comprising a vibration unit for vibrating a printing blade to condition print medium forward of the printing blade, wherein the printing blade is vibrated at least one frequency in the range of from about 20 kHz to about 200 kHz and with a displacement of at least about 0.4 pm.

Abstract: A screen printing machine configured to move a squeegee by a squeegee moving device along a mask to print solder on a substrate through a through hole of the mask is improved in size and usability. A squeegee-device main body is fixed to a mask frame receiver for holding a mask frame, and a squeegee slide, a squeegee head, and a squeegee-slide driving device are provided on the main body. A position adjusting device including two front/rear-direction adjusting units, one right/left-direction adjusting unit, and one floating support unit is provided between a main body frame of the screen printing machine, and the mask frame receiver and the squeegee-device main body to adjust relative positions of the mask and the substrate by moving the mask frame receiver and the squeegee-device main body together with each other.

Abstract: Disclosed herein is an apparatus for depositing viscous material on an electronic substrate. The apparatus comprises a frame, an assembly material applicator coupled to the frame and configured to apply assembly material to the electronic substrate, a substrate support assembly, coupled to the frame, configured to support and secure the electronic substrate in a print position, and a transport system, coupled to the frame, to shuttle electronic substrates to and from the substrate support assembly, the transport system including a first track and a second track, the first track being mounted on a first displacement mechanism and the second track being mounted on a second displacement mechanism configured to laterally move the second track relative to the first track, the second displacement mechanism configured to raise the first track relative to the second track.

Abstract: Disclosed herein is a modular printing system for printing viscous material on electronic substrates. The modular printing system comprises a first stencil printer including a substrate support assembly including a support configured to support and secure the electronic substrate in a print position, and a first system configured to shuttle electronic substrates to and from the first support of the first substrate support assembly, the first system including an upper track and a lower track disposed below the upper track, and at least one second stencil printer including a second substrate support assembly including a support configured to support and secure the electronic substrate in a print position, and a system configured to shuttle electronic substrates to and from the support of the second substrate support assembly, the system including a at least one upper track and a lower track disposed below the upper track.

Abstract: A doctor blade support (2) for a machine for printing paste by silk screen printing, includes: a doctor blade (6) of substantially square cross-section which is to come into contact with the meshes of a silk screen printing screen in order to apply the paste to an element to be printed; a first (12) and a second (14) clamping jaws suitable for clamping the doctor blade (6); at least two elements (20) for tightening the first clamping jaw (12) towards the second clamping jaw (14) in order to clamp or withdraw the doctor blade (6); characterized in that each tightening element (20) includes a resilient element (40) applying a force between the two clamping jaws (12, 14) in order to move them towards each other, and elements for regulating the deformation of the resilient element (40).

Abstract: A screen printer capable of concurrently, efficiently subjecting a plurality of different types of substrates, to a printing operation. The screen printer makes up an electronic component mounting line and prints electronic component bonding paste on a substrate. A substrate conveyance section that conveys a substrate forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section and a second screen printing section arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate from a downstream machine to an upstream side of the screen printer and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.

Abstract: A screen printing head which, in a printing operation, is displaceable in a first direction over a surface of a workpiece to print deposits of a print medium on the workpiece, the screen printing head comprising: a print head assembly comprising a print unit comprising a main body including a print medium, cavity, which in use contains print medium, and a delivery aperture, which is in fluid communication with the print medium cavity and through which print medium is in use delivered from the print medium cavity to the surface of the workpiece, and a rotatable unit which is disposed in the print medium cavity of the main body and rotatable to displace print medium as contained in the print medium cavity; and a drive unit for rotating the rotatable unit such as to displace print medium as contained in the print medium cavity, wherein the drive unit is operative to rotate the rotatable unit to apply a force to the print medium at the delivery aperture in the main body in a second direction which is opposite to

Abstract: A printing press includes an anilox printing unit having a screen roller and a feed blade as components, in which ink accumulates on an outer side of the feed blade during printing. A method for operating the anilox printing unit includes removing the accumulated ink from the feed blade by moving one of the two components relative to the other of the two components in a first direction in a first step, causing the accumulated ink to be flattened by the feed blade and to be spread onto the screen roller. The component that was moved in the first direction in the first step may be moved in an opposite, second direction in a second step, causing the accumulated ink to be scraped off the screen roller by the feed blade.

Abstract: Roll-to-roll printing apparatuses are disclosed. The roll-to-roll printing apparatus includes a printing device with a squeegee moving along a first direction transferring a pattern of a stencil to a roll of working pieces. A sending roller and a receiving roller are disposed on both sides of the printing device. The roll of working pieces is rolled along a second direction to a printing stage of the printing device. An alignment device is disposed corresponding to a position of the stencil and the roll of working pieces. A drying device is disposed on one side of the printing device and may be on the same side with the receiving roller, wherein the drying device cures the patterns on the roll of working pieces.

Abstract: A method for the production and control of plates for electronics comprising a first step in which a plate is positioned, by means of positioning means, in a loading station; a second step in which the plate is disposed in a deposition station associated with a unit for depositing metal, or other material, in which the metal is deposited on the plate, in order to generate on the plates metal tracks, according to a pre-determined and desired topological disposition; a third step in which the plate is disposed in an exit station and a detection means is activated so as to detect the presence of defects in the plate; and a fourth step in which the plate is discharged from the exit station. In the first step the detection means is activated to identify defects in the plate disposed in the loading station. In the second step the deposition unit is activated in order to deposit the metal on the plate when in the first step the detection means has not detected any defect in the plate.

Abstract: The screen printing mask is used for printing paste simultaneously on circuit boards held by the carrier. The mask has a flat mask plate. On the lower surface of the mask plate, a flat-bottomed recess capable to accommodating at least one of the circuit boards is formed so as to correspond to the array of the circuit boards on the carrier. A pattern hole is formed only in the recess.

Abstract: A screen mask has a mesh, a frame, and at least one emulsion pattern. The mesh includes a squeeze surface pressed by a squeegee, and a discharge surface discharging a paste. The frame fixes an edge of the mesh. The emulsion pattern is placed on the discharge surface and includes a main pattern, and an auxiliary pattern spaced apart from the main pattern.

Abstract: A method in connection with coating, comprising a running web (8) arranged to be coated with a coating mix (11), coating means (1) arranged in connection with said web (8), a coating surface (6, 7) at the coating means (1) and arranged in contact with said web (8) to dose said coating mix (11), and said coating means (1) being provided with at least a first coating surface (6) and a second coating surface (7), in such a way that it is possible at said running web (8) to switch between the one (6) and the other (7) surfaces while at least one of said surfaces (6, 7) is in an active contact position.

Abstract: A rotary screen printing device includes a printing cylinder rotatably mounted about a printing cylinder axis. A cylinder jacket of the printing cylinder is formed at least in areas by a printing screen. An impression cylinder is rotatably mounted about an impression cylinder axis. A squeegee is movable relative to the cylinder jacket of the printing cylinder. The squeegee is arranged at least partly inside the printing cylinder for pressing printing ink through the printing screen onto a substrate to be printed. At least one adjustment device is provided for adjusting a distance between the printing cylinder axis and the impression cylinder axis or a radius of the printing cylinder or of the impression cylinder.

Abstract: A stencil printer includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head, coupled to the frame, to deposit and print viscous material over the stencil. The print head includes a squeegee assembly having at least one squeegee blade and a squeegee blade movement mechanism configured to move the squeegee blade from a raised position in which the squeegee blade is spaced from stencil and a lowered position in which the squeegee blade engages and applies a force on the stencil. The print head further has a device to detect a first reference point associated with a first force of the squeegee blade against the stencil and a second reference point associated with a second force of the squeegee blade against the stencil when moving the squeegee blade to the lowered position in which the squeegee blade engages and applies a force on the stencil.

Abstract: A stencil printer includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head, coupled to the frame, to deposit and print viscous material over the stencil. The print head may include a squeegee blade configured to engage the stencil, a squeegee blade mount configured to house the squeegee blade, a squeegee blade movement mechanism configured to move the squeegee blade mount in a z-axis direction from a raised position in which the squeegee blade is spaced from stencil and a lowered position in which the squeegee blade engages and applies a force on the stencil, and a connector configured to pivotally connect the squeegee blade mount to the squeegee blade movement mechanism. The connector may include a load cell configured to measure force of the squeegee blade against the stencil. Other embodiments and related methods are further disclosed.

Abstract: A method for screen printing using a screen, preferably a metal screen made by electroforming, having a pattern of openings separated by bridges and crossing points, and having a flat surface on the squeegee side, wherein on the printing side of the screen the screen has a 3-D structure comprising peaks (P) and valleys (V) formed by a difference in thickness between the bridges and crossing points. The use of the method in the production of RFID tags, solar panels, electronic printing boards. A 3-D printing screen, with an attached stencil with or without the negative of an image to be printed. A printing machine comprising: one or more 3-D printing screens, in combination with one or more reservoirs for ink and/or in combination with a roller or squeegee.

Abstract: A combination stencil printer and dispenser includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head coupled to the frame to deposit and print viscous material over the stencil. The combination stencil printer and dispenser further includes a dispenser mounted on an independent gantry to dispense viscous material on the substrate when the substrate is in the print position. In other embodiments, the dispenser can be mounted on a stencil wiper assembly or a movable stencil provided within the combination stencil printer and dispenser.

Abstract: A print inspection device is provided with a camera for picking-up an image of a substrate to be processed after a paste is printed on the substrate through a mask sheet by a printer, a measured value calculating a measured value of a printed paste area based on the picked-up image of the substrate, a setting means for setting a standard range for working state judgment of the area, and a comparing and judging means for comparing the measured value with the standard range and for judging whether the printer is in a normal working state or not depending on whether the measured value is in the standard range or not. The setting means sets the standard range to a less paste amount side for a predetermined period of time after the mark sheet is cleaned up than for other periods of time.

Abstract: When a printed circuit board is inspected and determined to have an insufficient amount of printing of a print pattern, the printed board is returned to a screen-printing apparatus so that a new print pattern is formed so as to overlap a previous print pattern. In the re-printing, a raising speed of the printed board at a final stage of the board raising operation is rendered lower than in the previous screen printing so that the printed board is brought into contact with the underside of the screen mask more slowly.

Abstract: An apparatus for the removal of excess solder or contaminant, which are encountered on the surfaces of injection mold prior to the transfer of a solder on a silicon wafer. More particularly, there is provided an apparatus for the removal of excess solder, which may be present on a mold surface, without removing any solder, which is located in cavities formed in the mold, and wherein the solder is applied through an injection molded soldering process.

Abstract: A screen printing apparatus and method for printing deposits of a print medium on workpieces, the apparatus comprising: a frame support unit for supporting a printing screen unit which comprises a screen sheet which includes at least first and second patterns of print apertures; a workpiece support unit; a print head unit; and at least one screen cleaning unit; wherein the at least one screen cleaning unit and the print head unit are operated in parallel, whereby, when the printing screen unit is in the first printing position, the at least one screen cleaning unit cleans the underside of the screen sheet at a location corresponding to one of the first and second sets of print apertures and the print head unit prints print medium onto workpieces through the other of the first and second sets of print apertures.

Abstract: A screen printer capable of concurrently, efficiently subjecting a plurality of different types of substrates, to a printing operation. The screen printer makes up an electronic component mounting line and prints electronic component bonding paste on a substrate. A substrate conveyance section that conveys a substrate forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section and a second screen printing section arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate from a downstream machine to an upstream side of the screen printer and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.

Abstract: A screen printer capable of concurrently, efficiently subjecting a plurality of different types of substrates, to a printing operation. The screen printer makes up an electronic component mounting line and prints electronic component bonding paste on a substrate. A substrate conveyance section that conveys a substrate forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section and a second screen printing section arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate from a downstream machine to an upstream side of the screen printer and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.

Abstract: The invention discloses a device and a process for producing indicia comprising magnetically oriented magnetic or magnetizable particles in an ink or coating composition on a sheet of substrate material. The device comprises a flat-bed screen-printing unit having a flat printing screen and a printing platen for receiving said sheet, the printing platen having an upper surface facing the printing screen and a first direction along its upper surface along which said sheet is unloadable, and a magnetic orienting unit comprising multiple magnet assemblies. The magnetic orienting unit is disposed below the upper surface of the printing platen, said multiple magnet assemblies are disposed along said first direction, and all of said magnet assemblies are concomitantly movable from a first position away from the upper surface of the printing platen to a second position close to the upper surface of the printing platen.

Abstract: Embodiments of the present invention provide apparatuses and methods related to a manually operated image translation device. The device may include a carriage, which houses image translation components, that is manually manipulated along a transverse member. An advancement arrangement may advance a medium when the image translation components clear an image translation zone of an adjacent medium. Other embodiments may be described and claimed.

Abstract: A screen printing apparatus and method for applying paste to a substrate while agitating the paste through vibration or pulsating of one or more pulse sources. The screen printing apparatus may comprise a support structure including a frame, a stencil supported by the frame, a squeegee configured to contact the stencil and transfer the paste through apertures of the stencil, and at least one pulse source attached to the support structure and configured to agitate the paste on the stencil. The pulse sources may be configured to attach to and vibrate the frame, squeegee, or other components contacting the paste. Some of the pulse sources may vibrate in different directions relative to each other. In some embodiments of the invention, the pulse source may be configured to be directly inserted or immersed in the paste resting on the stencil during various steps of the printing method.

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 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: 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: There is provided a screen printing apparatus and a screen printing method which can implement printing work with good efficiency while securing a good printing quality in screen printing intended for an upper surface of a substrate and a bottom surface of a recess portion which is opened in the upper surface.

Abstract: In screen printing on such printing targets as an upper surface of a substrate and a bottom surface of a recess portion which is opened to the upper surface, there are provided a screen printing apparatus and a screen printing method by which printing work can be executed with good efficiency while ensuring a good printing quality.

Abstract: A screen printing apparatus is described. The apparatus has a plurality of radial arms each having a printing head associated therewith. A target area is in alignment with at least one of the printing heads wherein a design is applied to a target article at the target area by the printing head. A means for providing relative movement between the target area and the printing head provides multiple passes between a squeegee associated with the printing head and the target area. A means for providing a pressure between the squeegee and the target area is regulated such that a first pressure between the squeegee and the target area on a first stroke is not equal to a second pressure between the squeegee and the target area on a subsequent second stroke.

Abstract: One example embodiment includes a continuous feed variable depth die cut. The die cut includes a housing, including a first opening configured to allow kinesiology tape to enter the housing and a second opening configured to allow the kinesiology tape to exit the housing. The die cut also includes a roller inside the housing, where the roller is configured to rotate as the kinesiology tape passes over the roller and a die formed on the outer surface of the roller, where the die includes a cutting edge for cutting the kinesiology tape and where the cutting edge is formed in the shape of the strip of kinesiology tape to be cut. The shape is approximately rectangular and includes rounded exterior corners. The die cut further includes a surface inside the housing, where the kinesiology tape passes over the surface when the kinesiology tape is cut.

Abstract: A support system and method for supporting a printing screen unit in a screen printing machine. The support system includes a support assembly comprising a support unit for supporting a printing screen unit comprising a printing screen including printing apertures through which printing medium is printed onto a workpiece; and a tensioning mechanism for tensioning the printing screen in a screen printing operation, wherein the tensioning mechanism is configured to tension the printing screen to a first tension in a printing phase in printing printing medium onto a workpiece and a second tension, which is lower than the first tension, in a separation phase in separating the printing screen unit and the workpiece. Other aspects also are disclosed.

Abstract: A printing device, a production unit and a production method of electronic parts suitable for production of precise electronic parts are provided. A squeegee is attached to a rotating machine, and is autorotated and self-driven, and moreover, a printing pressure is generated in the squeegee, and resin is strongly filled, thereby achieving a print having a precision-shape. Further, with a perforated plate as a boundary, upper and lower chambers are provided so as to control a pressure, thereby performing cutting and dispensing of the resin and achieving a print having a precision-shape. This method is applied to the packaging of electronic parts.

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: High resolution patterns provided on a surface of a semiconductor substrate and methods of direct printing of such high resolution patterns are disclosed. The high resolution patterns may have dimensions less than 0.1 micron and are formed by a direct writing method employing a supercritical fluid comprising nanometer-sized particles, which may be optionally electrically charged.

Abstract: An automatic pneumatic gripper applied to a screen printing machine includes a pneumatic cylinder disposed on a top surface of a fixing post and two elastic grippers pivoted on two transverse sides of the pneumatic cylinder respectively. The lower part of two grippers extend downward beyond a bottom surface of the fixing post and projects inwards to form a hook. When a plunger of the pneumatic cylinder protrudes downward and leans against the top surface of the fixing post 30, the two grippers pivot inward, clip and fasten a squeegee/scraper firmly on the fixing post by the hook. When the plunger retracts upward, the pneumatic cylinder falls down relatively falls down so that the two grippers pivot outward, away from each other and the squeegee/scraper is released.

Abstract: In a printing system in which a roll film is rolled out to be printed by a printer and the film is rolled up after printing and drying, there is a possibility that wrinkles of the film are generated when printing, and printed materials are scratched because the printed film is positioned near the printer. Both end sides of a suction stage in the film delivery direction are formed in a circular arc shape, and auxiliary stages are provided near the end portions to suck and hold a film, the auxiliary stages are allowed to be moved lower than a surface of the suction stage in the state to closely attach the film to the suction stage while applying tension to the film, and the film is sucked and held on the suction stage in the state to be printed after position adjustment to a surface of a mask.

Abstract: A stencil printer includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head, coupled to the frame, to deposit and print viscous material over the stencil. The print head may include a squeegee blade configured to engage the stencil, a squeegee blade mount configured to house the squeegee blade, a squeegee blade movement mechanism configured to move the squeegee blade mount in a z-axis direction from a raised position in which the squeegee blade is spaced from stencil and a lowered position in which the squeegee blade engages and applies a force on the stencil, and a connector configured to pivotally connect the squeegee blade mount to the squeegee blade movement mechanism. The connector may include a load cell configured to measure force of the squeegee blade against the stencil. Other embodiments and related methods are further disclosed.