Abstract: 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 (LOC) packaging process. In one embodiment, the stencil includes a coating applied to at least one surface of a pattern of the stencil or screen to retard running of the printable material onto the surface. In another embodiment, the stencil or screen includes a second coating applied to at least one other surface of the pattern to promote spreading of the printable material onto the substrate.

Abstract: In one embodiment, the invention is directed to aperture mask deposition techniques using aperture mask patterns formed in one or more elongated webs of flexible film. The techniques involve sequentially depositing material through mask patterns formed in the film to define layers, or portions of layers, of the circuit. A deposition substrate can also be formed from an elongated web, and the deposition substrate web can be fed through a series of deposition stations. Each deposition station may have an elongated web formed with aperture mask patterns. The elongated web of mask patterns feeds in a direction perpendicular to the deposition substrate web. In this manner, the circuit creation process can be performed in-line. Moreover, the process can be automated to reduce human error and increase throughput.

Abstract: A shield for protecting silicon wafers. The shield includes a plurality of single crystal shielding members having a lattice unit cell repeated substantially throughout. The unit cell has a periodic arrangement of atoms defining a set of lattice planes. The shielding members each include a pair of first interface surfaces having an orientation substantially aligned along one of the set of lattice planes. The shield also includes a plurality of single crystal structural members each having substantially the same lattice unit cell as that of the shielding members repeated substantially throughout. The structural members each include a pair of second interface surfaces having an orientation substantially aligned along the same one of the set of lattice planes. The plurality of shielding members and structural members are alternately bonded together at their respective first and second interface surfaces to define an enclosed area sized to receive the silicon wafers therein.

Abstract: 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 (LOC) packaging process. In one embodiment, the stencil includes a coating applied to at least one surface of a pattern of the stencil or screen to retard running of the printable material onto the surface. In another embodiment, the stencil or screen includes a second coating applied to at least one other surface of the pattern to promote spreading of the printable material onto the substrate.

Abstract: A method and apparatus for preventing board warpage during the application and curing or drying of liquid epoxies, or the like, on printed circuit boards using a clamping fixture assembly, which includes at least one clamping fixture support and at least one clamping fixture overlay. If desired, a plurality of printed circuit boards may be processed using an appropriate clamping fixture assembly. Furthermore, the clamping fixture may be constructed so a slight bow or curvature thereof can counter either a convex or concave bow or curvature of the printed circuit board. In the method at least one printed circuit board is mounted to a clamping fixture support whereby a clamping fixture overlay is placed on top of the first printed circuit board.

Abstract: An alignment device for permitting a deposition mask having a plurality of mask segments to be positioned relative to a substrate to facilitate simultaneous deposition of organic material on to the substrate which will be part of an organic light emitting device.

Abstract: 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 (LOC) packaging process. In one embodiment, the stencil includes a coating applied to at least one surface of a pattern of the stencil or screen to retard running of the printable material onto the surface. In another embodiment, the stencil or screen includes a second coating applied to at least one other surface of the pattern to promote spreading of the printable material onto the substrate.

Abstract: The invention relates to an intermediate component for protecting hangers associated with electrostatic coating processes. The component is an electrically conductive, pliable, tubular member, and inexpensive relative to the hanger which it serves to protect. The component lessens the cost associated with traditional hanger cleaning and preserves hanger life and integrity. The tubular member may have a longitudinal slit for installing the member over a cross bar of a hanger.

Abstract: A shield for covering a robot arm such as in a paint spray booth is made of a porous foam material having high flow permeability. The shield includes a pair of integral straps which are connected to each other when the shield is mounted around the robot arm solely by a single set of fasteners. One end of the shield includes a cutout or dipped in portion for disbursing paint.

Abstract: An apparatus and method for evenly applying an atomized adhesive for bonding a die to a leadframe are disclosed. In one embodiment, the apparatus includes a hood in communication with an air supply and a vacuum plenum. The hood and vacuum plenum encompass a semiconductor device component located in a target area during adhesive application so that the adhesive is selectively applied to specific portions of the leadframe or other semiconductor device component and adhesive is not allowed outside the system. A mask or stencil may be employed to further prevent the application of adhesive to undesired areas. An air purge may be employed to direct the adhesive mist toward the component to be coated. In another embodiment, a fine adhesive spray is directed against the surface of the workpiece to be coated, selected areas being masked to prevent coating. Wafers may be coated as well as leadframes.

Abstract: A mask frame assembly used in vacuum deposition of thin films of an organic electroluminescent device. The mask frame assembly includes a frame having an opening and at least two unit masks which each have at least one unit masking pattern portion in the direction of the unit mask and two edges which are fixed to the frame under tension.

Abstract: Disclosed is an apparatus for protecting the walls of a row of cylinders of an engine block from contamination when the walls of the other row of cylinders of the engine block are thermally coated. For this purpose, the apparatus comprises a plurality of inflatable hollow body members that can be moved into the interior of the cylinders whose walls are to be protected and inflated once they are in position in the interior of the particular cylinders. The hollow body members comprise a dimensionally stable inner sleeve member that is enclosed by an inflatable elastic envelope member. The inflatable hollow body members are arranged in two groups located opposite to each other.

Abstract: A catch pan apparatus for starting and stopping coating is disclosed for coating a downwardly moving receiving surface by curtain coating. The catch pan device includes an intercepting pan that intercepts the curtain when coating is stopped and a substantially horizontal intercepting surface that intercepts the curtain only when the catch pan moves to start or stop coating. The intercepting pan and horizontal intercepting surface intersect to create a volume that retains in the catch pan excess liquids that would otherwise spill onto the coating receiving surface as the catch pan is retracted to a non-intercepting position. The catch pan is controllably retracted at high speed through the curtain using linear servomotors such that the releasing edge of the horizontal intercepting surface passes close to the coating receiving surface at the point of curtain release. Flushed edge guides maintaining curtain width are positioned outside the lateral edges of the catch pan.

Abstract: A method and apparatus are disclosed for applying solder mask to an area respective of a plurality of receiving pads on a Printed Circuit Board. The solder mask can be at least partially removed during the component removal process exposing the conductor, via and annular ring. The exposed conductor, via and annular ring can cause defects and unreliable solder joints should the solder flow along the conductor and into the via. A small stencil can be used to apply solder mask in a desirable pattern to a selective area of a PCB. Alternatively, an elastomeric transferring apparatus can be used. Various methods can be included to assist in aligning the applicator to the desired area such as an overlaid, dual imaging system.

Abstract: A stent mounting device and a method of coating a stent using the device are provided.

Abstract: A method for coating substrates (10) for optical components with essentially rotationally symmetric coatings employs a coating system equipped with a planetary-drive system (1) that has a rotating planet carrier (2) and several planets (4), each of which carries a single substrate, that corotate both with the planet carrier and with respect to the primary carrier. In one embodiment a set of stationary first masks (20) that allow controlling the radial variation in physical film thickness is arranged between a source (8) of material situated beneath the planets and the substrates. A set of second masks that mask off evaporation angles exceeding a limiting evaporation or incidence angle (&bgr;max) for every substrate also corotate with the primary carrier (2), which allows depositing coatings having a prescribed radial film-thickness distribution and a virtually constant density of the coating material over their full radial extents for relatively low, and only slightly varying, evaporation angles.

Abstract: A draft shield apparatus having a longitudinal axis including: an open upper end section defining a substrate entry end, an open lower end section defining a substrate exit end, and a central section between the upper end section and the lower end section, the apparatus defining a passageway which extends through the upper end section, the central section, and the lower end section along the longitudinal axis to result in an upper end section inner surface, a central section inner surface, and a lower end section inner surface, wherein the passageway has a width sufficiently large to permit movement of at least a portion of a substrate through the apparatus; wherein the upper end section inner surface is inclined towards the longitudinal axis, wherein the lower end section inner surface is inclined towards the longitudinal axis and the lower end section inner surface extends into the passageway such that the width of the substrate exit end is smaller than the width of the substrate entry end.

Abstract: An upper side of a cup provided around a wafer is formed in a rectangular shape and a lower side thereof is formed in a cylindrical shape. The cup is formed such that, when seen from above, the portion forming the cylindrical shape is positioned within the portion forming the rectangular shape. The cup has a raising and lowering mechanism and is controlled by a control section. The upper side of the cup is placed by the side of the wafer during a scan by a supply nozzle. The lower side of the cup is placed over an upper level and a lower level of the wafer while a rinse liquid and a developing solution are shaken off. The scan by the supply nozzle is performed with the supply nozzle positioned in the upper cup portion.

Abstract: A tape includes the single sheet having a top side and a bottom side. The single sheet is rolled onto a cylinder. The cylinder is a cardboard or similar material cylinder. The sheet is comprised of a material that does not allow paint to seep through the sheet and apply to the surface. At least one cut extends through the sheet from the top side to the bottom side. The cuts form at least one opening in the sheet. The openings form decorative designs. The designs are evenly spaced longitudinally along the sheet to form a pattern. The bottom side has an adhesive applied to the bottom side. The bottom side adheres to a portion of the top side which is located directly underneath the bottom side when the tape is rolled on the cylinder. When the sheet is removed from the cylinder, the bottom side is removed from contact with the top side and is applied directly onto an application surface.

Abstract: A rotary transformer includes a resonant circuit and a coil drive circuit. The resonant circuit includes a resonating capacitor connected to a power MOS transistor, coupled across the primary coil of the transformer. The coil drive circuit includes a diode connected to a power MOS transistor coupled across the primary coil of the transformer. A microprocessor detects changes in the voltage across the primary coil. The resonant circuit is connected and disconnected from the transformer during a power transfer mode and a data transfer mode, respectively. During the power transfer mode, stored energy in the leakage inductance of the primary coil is used for power coupling, via the resonant circuit, instead of being dissipated as heat. The resonant circuit is disconnected from the rotary transformer during the data transfer mode to maximize bandwidth for two-way data transfer between the primary and secondary sides of the transformer.

Abstract: The present invention provides exemplary apparatus and methods for processing substrates and for ensuring purge gases reach the substrate edge, including edges of JMF type wafers, to help prevent unwanted deposition thereon. One embodiment provides an apparatus for processing substrates which includes a chamber and a substrate support (13) disposed in the chamber. An edge ring (15) is disposed on the substrate support. The edge ring has a lip portion (30) which at least partially overhangs an upper surface (36) of the substrate support to define a gap (29) between the lip portion and the upper surface. In this manner, the edge ring is designed to form a gap which properly directs purge gases to edges of the substrate, including JMF type substrates.

Abstract: Apparatus and methods for producing semiconductor devices are disclosed. A processing chamber includes an interior component having a stepped region including a plurality of raised sections and recessed sections divided by steps. With this apparatus, it is possible to prevent a film of deposited material formed on the stepped region from peeling, thereby decreasing the number of particles in the chamber and increasing the operation rate.

Abstract: A screen printing method and apparatus for applying paste into pattern apertures of a mask plate by sliding a filling member provided at a lower end of a squeegee head. The filling member forms an acute angle with an upper surface of the mask plate. Any extra paste on the mask plate is wiped by sliding a wiper provided at a lower end of the squeegee head. The wiper forms an obtuse angle with the upper surface of the mask plate.

Abstract: A protective package comprises an enclosure including a back plate that has a base, a top, a first sidewall and a second sidewall mounted thereon to form a cavity including an opening opposite the back plate. A plurality of filament positioning frames occupy the cavity to provide an organized distribution. Each of the filament positioning frames comprises a filament container having a filament clamp, in spaced-apart relationship from the filament container for gripping a plurality of filaments providing a plurality of filament tips extending from each filament clamp. Each of the filament positioning frames further comprises a frame between the filament container and the filament clamp. The frame has a first frame member parallel to a second frame member attached to the filament clamp with each of the plurality of filament tips located adjacent to the opening.

Abstract: The invention relates to an intermediate component for protecting hangers associated with electrostatic coating processes. The component is an electrically conductive, pliable, tubular member, and inexpensive relative to the hanger which it serves to protect. The component lessens the cost associated with traditional hanger cleaning and preserves hanger life and integrity. The tubular member may have a longitudinal slit for installing the member over a cross bar of a hanger.

Abstract: A method of surface treatment for a lens of a vehicle lamp. The method comprises forming a hard coating film on a outer surface of the lens by heating to harden after the hard coating film is applied onto the outer surface of the lens; cooling the lens formed with the hard coating film until the inner surface of the lens has a predetermined temperature; and forming a antifogging coating film on a inner surface of the lens by heating to dry after the antifogging coating film is applied onto the inner surface of the lens.

Abstract: A differentially pumped deposition system is described that includes a deposition source, such as a magnetron sputtering source, that is positioned in a first chamber. The deposition source generates deposition flux comprising neutral atoms and molecules. A shield that defines an aperture is positioned in the path of the deposition flux. The shield passes the deposition flux though the aperture and substantially blocks the deposition flux from propagating past the shield everywhere else. A substrate support is positioned in the second chamber adjacent to the shield. The pressure in the second chamber is lower than a pressure in the first chamber. A dual-scanning system scans the substrate support relative to the aperture with a first and a second motion, thereby improving uniformity of the deposited thin fill.

Abstract: The present invention provides an automobile tire detailing template comprising a circular shaped body which is complimentary in shape and size to the perimeter of a wheel of a automobile. In the preferred embodiment, the body of the present invention is a flat circle constructed of a plastomeric substance. The body includes two small holes positioned near the center of the body sized to receive a thumb and index finger of the user. The outer dimensions of the body are sized to conform to a conventional wheel of an automobile.

Abstract: A replaceable shielding apparatus provides a cost effective way of shielding a portion of a workpiece during processing. The apparatus includes a replaceable shield, made of comparable weight as the workpiece for allowing replacement of the shield in the same way as the replacement of the workpiece. With this feature, the replacement of the shield is a routine process and would not interfere much with the workpiece operation. The invention further includes a shield clamp for clamping the shield onto the workpiece. In a preferred embodiment, the invention further includes a non-reactive gas inlet for creating a pressurized cavity in the vicinity of the shielded portion of the workpiece.

Abstract: A reactor for applying reactive ion etching to a component, wherein a substrate holder (3) and clamping means (10) are provided for respectively supporting and securing components (8) to be exposed to reactive ion flux, that includes a separate shield arrangement (20) fixed in a detachable way on said substrate holder (3), above said clamping means (10) to mask said clamping means with respect to said reactive ion flux. Said shield arrangement (20), made up of a single ring can be mounted on said substrate holder (3) directly upon said clamping means or can also be mounted just above it and separated by a small distance from said clamping means (10). The shield arrangement (20) can also made up of at least two rings (22) which are stacked with a small mutual separation, above said clamping means (10). The material of said shield arrangement (20) can be covered with a film of dielectric material and electrically connected to ground (23) through said substrate holder (3).

Abstract: A method of applying a layer of a flowable material to a substrate. The substrate is received with a rotatable chuck, and an amount of the flowable material is dispensed on to the substrate. The substrate is spun on the rotatable chuck, thereby spreading the flowable material across the substrate and conveying a surplus amount of the flowable material away from the substrate. An exhaust stream is created with a vacuum source. At least a portion of the surplus amount of the flowable material conveyed away from the substrate is entrained into the exhaust stream, which exhaust stream is conveyed into an exhaust system. A pressure drop is created in the exhaust stream across a vane anemometer within the exhaust system. The blow back of the entrained portion of the surplus amount of the flowable material from a downstream position in the exhaust system to the substrate is thereby reduced.

Abstract: An alignment device for permitting a deposition mask to be positioned relative to a substrate to facilitate deposition of organic material on to the substrate which will be part of an organic light emitting device, including a base having a first set of alignment pins and a second set of alignment pins; a plate secured to the base; a frame having an opening aligned with the plate, the frame being formed with a first set of alignment pin receiving holes corresponding to the position of the first set of pins so that the frame is removably mounted to the base; the deposition mask and positioned on the plate; a transparent flat plate contacting the second set of pins and the deposition mask and being sized to expose portions of the deposition mask; and securing the exposed portions of the deposition mask to the frame.

Abstract: A powder coating material spray booth, one or more powder spray devices position to spray articles passing through the booth with powder coating material, a powder recovery module comprising a separator for separating powder coating material from air, a source of suction for drawing over sprayed powder coating material from inside the booth, an exhaust duct connected to the powder recovery module and communicating with the suction source, said suction source being operable to draw airborne over sprayed powder coating material out of the booth through the exhaust duct and into the powder recovery module, at least a portion of the exhaust duct being [contained] accessible from within the booth, said portion including a cover section which forms a part of said exhaust duct, said cover section being [removable] movable to allow over sprayed powder coating material to be removed from inside said exhaust duct during a color change operation.

Abstract: A painting mask, which has an edge portion for defining a painting area parting line, is formed in a mask body which has a predetermined dimension enough to cover a work made from plastic, the mask body including a mask body base portion which is composed of a metal plate with a dimension substantially matching a work, and a painting area circumferential edge portion which is molded integrally with the mask body base portion by curing a thermosetting plastic (epoxy resin) prepared like clay and in which an edge portion for defining a parting line for a painting-presumptive area is formed. The mask body base portion does not shrink during the process where the mask body is manufactured, so that a painting mask with a proper dimension can be obtained.

Abstract: The invention relates to an intermediate component for protecting hangers associated with electrostatic coating processes. The component is an electrically conductive, pliable, tubular member, and inexpensive relative to the hanger which it serves to protect. The component lessens the cost associated with traditional hanger cleaning and preserves hanger life and integrity. The tubular member may have a longitudinal slit for installing the member over a cross bar of a hanger.

Abstract: The present invention is a coating unit for applying a coating solution to a substrate which includes: a discharge nozzle for reciprocating in a predetermined direction above the substrate and discharging the coating solution to the substrate; a holder for holding the substrate and horizontally movable in one direction perpendicular to the predetermined direction; and a cover for covering an upper face of the substrate when the substrate is moved in the one direction to be more forward than the discharge nozzle as viewed from a plane, wherein a lower face of the cover is inclined such as to be higher on the discharge nozzle side. According to the present invention, the cover covering the upper face of the substrate restrains a solvent from evaporating from the coating solution applied on the substrate to secure flatness of a coating film.

Abstract: A rotatable cover plate assembly 10 has a cavity 13 and a rotatable base plate assembly 12 has a cavity 42 with a semiconductor wafer 14 mounted therein. The cover plate assembly 10 comes down onto the base plate assembly 12 enclosing the semiconductor wafer 14 and a dispenser 28 in a chamber formed by the cavities 13 and 42. The cover and base plates 16 and 40 are rotated as a single assembly, and coating material dispensed by the dispenser 28 onto the semiconductor wafer 14. A flow regulator 25 coupled via an exhaust manifold 20 controls the rate of evaporate of solvent from the dispensed coating material.

Abstract: A non-contact mask 10 which is selectively deployed in close proximity to an object 12 and which has a certain type of electrical charge. A substance 16, to be selectively applied to the object 12, is provided with the certain type of electrical charge and the electrical charge of the mask 10 and the electrical charge of the substance 16 cooperate to substantially prevent the substance 16 from being applied to the mask 10.

Abstract: A window (26) is masked accurately by placing the side (44) of a tape roll (42) against a window frame (28) and pressing the outer rim (46) of the tape roll (42) against the window (26). Pressure bonds the adhesive (22a) to the window (26). The side (44) of the tape roll (42) is guided and supported against the window frame (28) and tape (100) is simultaneously unwound against the window (26). The outer longitudinal periphery of the tape (100) accurately follows the corner (36).

Abstract: Material is deposited from an active shutter onto a substrate located in a processing chamber housing with a shutter target coupled to a shutter target assembly. A first target assembly located in the housing supports a target for physical-vapor deposition of a first material onto the substrate. A shutter is selectively moveable to extend into a closed or activated position and to retract into an open position. The shutter target assembly is coupled to the shutter such that when the shutter is in the closed position, the shutter target assembly is positioned to allow deposition of material from the shutter target onto the substrate. When the shutter is in the open position, the first target is positioned to deposit material onto the substrate. Alternating layers of materials may be deposited by the shutter target and first target by cycling the shutter between an open position and a closed position.

Abstract: A replaceable shielding apparatus provides a cost effective way of shielding a portion of a workpiece during processing. The apparatus includes a replaceable shield, made of comparable weight as the workpiece for allowing replacement of the shield in the same way as the replacement of the workpiece. With this feature, the replacement of the shield is a routine process and would not interfere much with the workpiece operation. The invention further includes a shield clamp for clamping the shield onto the workpiece. In a preferred embodiment, the invention further includes a non-reactive gas inlet for creating a pressurized cavity in the vicinity of the shielded portion of the workpiece.

Abstract: An assembly station for a sputter shield assembly provides a work bench for assembling and disassembling the sputter shield assembly. The shield assembly has a clamp shield facing downwards to hold the shield assembly which is turned over by 180 degrees, and includes at least three bottom rim support arms for supporting the clamp shield and bearing the weight of the shield assembly, and at least three inner rim retaining arms for contacting the inner rim formed by the shield and the clamp shield. The invention provides a changed support means for holding the shield assembly on the assembly station so that one person is enough to do the assembly and disassembly of the shield assembly, and thus save manpower and operation time.

Abstract: The invention is directed to an apparatus and method for reducing particulates in a semiconductor processing chamber. The apparatus comprises a shield for lining a portion of the interior of a vacuum processing chamber. The interior of the shield defines a shield passage. A heater element is disposed within the shield passage. A gas inlet is used for providing gases to the interior of the shield passage. The range of temperatures which may be used is wide and generally fitted to the process. For example, the invention may be used to provide a rapid cooldown or bakeout. Once the temperature is chosen, isothermal conditions can be maintained so as to minimize the thermal cycle stress, reducing cracking, peeling, etc.

Abstract: A structuring device (SD) for processing a surface of a substrate (SB), comprising a substrate chamber (VC) for mounting the substrate (SB) and a reaction chamber (GC) enabling a gas reaction at a given operating pressure. The reaction chamber (GC) has at least one gas inlet (GL) for a reaction gas and at least one injection outlet (JL) leading into the substrate chamber, while the substrate chamber (VC) is provided with a pumping system (PP) for maintaining a vacuum within the substrate chamber at a pressure not above the operating pressure of the gas reaction in the reaction chamber (GC). The injection outlet (JL) is provided with at least one injection pipe ending into an injection opening of given width, the injection pipe having a length not smaller than the width of the injection opening, the injection pipe forming the gas particles originating from the gas reaction into a gas jet streaming out of the injection opening.

Abstract: Apparatus and method to facilitate vapor phase coating of turbine airfoils. A dovetail receptacle receives the dovetails of a plurality of airfoils. The airfoils are separated by spacers with the airfoil dovetails sealed in a chamber of the receptacle to facilitate vapor phase coating of airfoil flowpath surfaces and platform upper surfaces of several airfoils simultaneously while masking the dovetail sections.

Abstract: A high-speed rotary atomiser for applying powder coating includes a housing (1) together with a rotatable bell disc (16) arranged at the front of housing (1). A motor (13) driving bell disc (16) is accommodated in housing (1). At least one powder supply channel emerging at the front of housing (1) passes through housing (1). A guidance air arrangement in the form of a rotationally symmetrical air guidance body (37) coaxial to bell disc (16) is provided for shaping the powder cloud generated by the high-speed rotary atomiser, which air guidance body (37) is mounted on the front of housing (1). Air guidance body (37) has a jacket surface (39, 43) to which guidance air can be so supplied that it flows forwards along jacket surface (39, 43) as a substantially rotationally symmetrical air curtain. In addition, air guidance body (37) has an axial through-bore (38) through which the coating powder flows towards bell disc (16).

Abstract: A film forming apparatus comprising a substrate holding section for holding a substrate to be processed, a nozzle unit arranged and opposing the substrate holding section, having a discharge hole for continuously applying film-forming solution, in the form of a slender stream, to a surface of a substrate held by the substrate holding section, and a drive mechanism for driving the substrate and the nozzle unit relative to each other, thereby to coat the surface of the substrate with the solution, while the nozzle unit is applying the solution, in the form of a slender stream, to the surface of the substrate.

Abstract: An apparatus for veiling a predetermined position of a computer enclosure from coating, comprises a first cover, a second cover attached to the first cover and a cap mounted on the first and second covers. The first cover comprises a first housing, a first turnplate pivotably mounted on the first housing, and a plurality of first veiling plates movably mounted on the first housing and the first turnplate. The second cover comprises a second housing, a second turnplate pivotably mounted on the second housing, and a plurality of second veiling plates movably mounted on the crossing housing and the second turnplate. The second veiling plates are situated between the first veiling plates of the first cover.

Abstract: A dusting device comprises a housing (12) and at least one powder gas delivery device (14, 15), which discharges a powder gas jet (16) onto a surface of products transported in one conveyor direction (18) and a suction device (34) for unused powder gas. At least one housing wall (21) is permeable for an airstream (28a), whereby at least one permeable housing wall (21) has an air-permeable filter mat arrangement (22).

Abstract: A masking for an engine block to be thermally sprayed with a coating includes a head deck mask portion adapted to engage a head deck of an engine block to prevent over-spray of a thermally sprayed coating on the head deck. The masking also includes a crankcase mask portion adapted to be disposed in a crankcase chamber of the engine block and engage a lower end of a cylinder bore cavity of the engine block to prevent over-spay of the thermally sprayed coating into the crankcase chamber.