Abstract: A laminate is produced in which a long release sheet 2A, an adhesive layer 3A and a base material 4A are laminated together, and the base material 4A and the adhesive layer 3A are cut (half cut) so as not to penetrate through the release sheet 2A, so as to divide the base material 4A and the adhesive layer 3A into cover sheet portions 51A, bolstering portions 52A and a remainder portion 53A. The remainder portion 53A is then peeled off and removed, and an outer end portion of each of the bolstering portions 52A is half cut so as not to penetrate through the release sheet 2A, raised portions 6A being formed through the half cutting. The laminate sheet can be produced at low cost, and defects can be prevented from being formed on the adhesive sheet when the laminate sheet is wound into a roll.

Abstract: An environmentally resilient building product of a vinyl laminated formed-sheet metallic substrate wherein the vinyl laminate is adhesively attached to the formed-sheet metallic substrate to provide a durable and attractive surface. Possible decorative and resilient surfaces include, but are not limited to solid colors, metallic finishes, and graphical images or patterns, all available in a variety of textures.

Abstract: The disclosure relates to a layer (1) for reducing air resistance of a forward-moving object, which layer comprises a pattern of surfaces (2) rising in a first direction R, and—channels (3) running between the surfaces in a second direction at an angle to the first direction. A flow is brought about on a micro-scale in the channels which damps the occurrence of turbulence in the main flow over the surface, thereby reducing air resistance.

Abstract: A method of fabricating a composite ferrite sheet including the steps of: (a) forming a grooved green ferrite sheet having a non-intersecting grid pattern by pressing a groove forming die including a plurality of first protrusions and a plurality of second protrusions having a triangular cross sectional shape, each protrusion of at least one of the plurality of first protrusions and the plurality of second protrusions being discontinuous at each imaginary intersecting portion at which extension lines of the respective first and second protrusions intersect each other, (b) firing the grooved ferrite green sheet to obtain a sintered ferrite sheet, (c) bonding at least one supporting sheet to at least one of opposite major surfaces of the sintered ferrite sheet, and (d) rupturing the sintered ferrite sheet along the grooves into a multiplicity of separate and independent rectangular planar ferrite segments which are bonded to the supporting sheet.

Abstract: An environmentally resilient building product of a vinyl laminated formed-sheet metallic substrate wherein the vinyl laminate is adhesively attached to the formed-sheet metallic substrate to provide a durable and attractive surface. Possible decorative and resilient surfaces include, but are not limited to solid colors, metallic finishes, and graphical images or patterns, all available in a variety of textures.

Abstract: A method of forming synthetic dry adhesives is provided that includes using a wedge-shaped tool to form mold cavities in a mold, filling the mold cavities with an elastomeric adhesive, removing the elastomeric adhesive from the mold, where a tapered lamellar ridge extends from a surface of the elastomeric adhesive, treating a tip of the extending ridge with a film of uncured elastomeric material, and curing the film of uncured material while the extending ridge is pressed against a substrate surface having a smoothness or texture. The synthetic dry adhesive comprises a close-packed array of tapered lamellar ridges, where the centerline of a ridge is angled relative to a direction normal to the synthetic dry adhesive and the cross section includes an internal taper. The tapered ridge bends when it contacts a surface, whereupon the radius of curvature of the ridge increases monotonically with increasing shear load.

Abstract: A void board is configured for placement between adjacent horizontal layers of bricks to maintain an opening in a lower of the layers. The void board includes a relatively thin base element having first and second opposing sides and a plurality of ribs extending along a length of the base element. The ribs extend from the first and second sides, generally transverse to the base element. The ribs are positioned such that the ribs that extend from the first side of the base element are offset from the ribs extending from the second side of the base element. The base element has a longitudinally extending central region, between a closest pair of ribs, that is devoid of ribs. A bundled load of objects have the void board positioned therein and a method of bundling a load of objects are also disclosed.

Abstract: A pressure-sensitive adhesive sheet includes a sheet-like base and a pressure-sensitive adhesive layer integrally laminated on one side of the sheet-like base, and the pressure-sensitive adhesive layer has on the surface thereof two or more waved groove portions. Each of the waved groove portions has convex arcuate groove portions and concave arcuate groove portions disposed alternately and connected at connecting portions, and the total wavelengths of adjacent waved groove portions are different from each other. Each of the waved groove portions is configured such that all connecting portions of the convex arcuate groove portions with the concave arcuate groove portions are located on a virtual straight line; the virtual straight lines of all the waved groove portions are parallel to each other, and the intervals between the virtual straight lines of the waved groove portions are not constant.

Abstract: A method of manufacturing an oriented film of thermoplastic polymer material comprises extrusion of a film in tubular form from an extrusion die, orienting the film in a main direction of orientation during the haul-off from the die while in molten or semi-molten state, the direction being at an angle between 0 and 45-to the axis of the tube, followed by cutting of the tube at an angle to its main degree of orientation to form a web having an orientation of no less than 20 to its longitudinal direction, which method involves segmental stretching of the film to form an array of linear bosses (1), being of thicker material, integrally connected by thinner webs (2), said bosses and webs extending in a direction which is generally parallel with the direction of orientation, forming an acute angle to the longitudinal direction of the web, the method involving, after segmental stretching and cutting, shearing of the bosses along one another under re-orientation in the connecting webs, to increase the angle at which

Abstract: An absorbent article comprising nonwoven fabric having convex and concave surfaces, and that allows liquid such as excreta and the like to permeate quickly. A sanitary napkin has a plurality of raised ridge portions and groove portions in a top sheet member. The fiber density of the side edge portions of each of the plurality of raised ridge portions in the thickness direction of the nonwoven fabric is substantially uniform, and is higher than the average fiber density in the raised ridge portions. The fiber density of the central portion between both the side edge portions of each of the plurality of raised ridge portions is substantially uniform in the thickness direction of the nonwoven fabric, and is lower than the average fiber density in the raised ridge portions.

Abstract: Thermoplastic films include intermittent stretched regions that are visually distinct from un-stretched regions. The stretched regions can be white, opaque, and non porous. The thermoplastic films with visually-distinct stretched regions can be formed into bags for use as trash can liners or food storage. Additionally, methods of stretching thermoplastic films to create non-porous, white, and opaque stretched regions include incrementally stretching a film of a thermoplastic material and a voiding agent.

Abstract: A panel includes an insulating material, first channels disposed in a first surface of the insulating material, and second channels disposed in the first surface of the insulating material. The second channels are disposed at a first angle relative to the first channels. Additionally, the first channels and second channels are arranged such that each of the first channels is substantially parallel to the other first channels and each of the second channels is substantially parallel to the other second channels. The panel further includes a first retention clip disposed in one of the first channels. The first retention clip is configured to suspend an object having a substantially round cross-section within the one of the first channels. The first retention clip is further configured to prevent the object from contacting walls of the one of the first channels.

Abstract: Radiation-curable silsesquioxane resin materials are employed for micro- and nanolithography. The resin materials can include a radiation-curable silsesquioxane resin and a photo-initiator having low viscosity. The low viscosity of the liquid system allows imprinting with low pressure and low temperature; e.g. room temperature. The resist's dry etching resistance is increased and the cured film is more easily separated from the mask. Due to its high modulus after cure, the material allows the fabrication of micro- and nano-features having high aspect ratios while providing a high throughput. Various pattern sizes, for example, ranging from tens of microns to as small as a few nanometers, may be achieved with the UV-curable material system.

Abstract: The invention relates to a power transmission belt presenting elastomer teeth based on ethylene alpha olefin elastomer provided with an outer woven or non-woven covering. According to the invention the teeth are covered in a barrier layer, in particular of a thermoplastic material, and said outer covering, at least on the flanks of the teeth, is partially included in a portion of the thickness of the barrier layer.

Abstract: Provided is a paper-making machine belt (or a paper-making shoe-press belt), which is excellent in a wet-web water-squeezing property, which is stable in a paper quality (e.g., wet-web smoothness or marking property), and which has little damage (e.g., cracking or wear) of the outer circumference of the belt being used. The paper-making shoe-press belt carries a felt for accepting the squeezed water from the wet-web and has draining grooves extended in the felt-side surface. The paper-making shoe-press belt is characterized in that the draining grooves extended in the felt-side surface have at least two kinds of different groove shapes in the transverse direction (or the CMD direction) of the paper-making machine. The groove shape enables the grooves of two continuous and discontinuous kinds to share the functions thereby to satisfy the improvements in the drainage and in the paper quality and the wet-web surface smoothness at the same time.

Abstract: An article manufactured from a polymeric material filled with fibers has an exterior surface having an impact portion with an arcuate configuration to impart impact resistance to the article. The article also includes a plurality of ribs orientated and configured in a unique manner to also impart impact resistance to the article. The ribs extend from the exterior surface of the article. A fillet having a fillet radius interconnects the ribs and the exterior surface. The fibers of the polymeric material are aligned within the article parallel to a flow of the polymeric material when injected into a mold during a molding process. The ribs are oriented in a pattern relative to the fibers to maximize the impact resistance of the article.

Abstract: A fine pitch wire grid polarizer can have a pitch of less than 80 nanometers and a protective layer on the wires, by anisotropically etching the wire grid polarizer to form two parallel, elongated rods substantially located at corners where the wires contacted the substrate. The rods can be polarizing elements. A wire grid polarizer can have a repeated pattern of groups of parallel elongated wires disposed over a substrate. Each group of elongated wires comprises at least three wires. At least one wire at an interior of each group can be taller by more than about 10 nm than outermost wires of each group. Wires of a wire grid polarizer can be a byproduct of an etch reaction. A multi-step wire grid polarizer can comprise a base with a plurality of parallel multi-step ribs disposed on the base and a coating disposed along vertical surfaces of the steps.

Abstract: There is provided a method for manufacturing a grain-oriented electromagnetic steel sheet whose iron losses are reduced by laser beam irradiation, capable of improving the iron losses in both the L-direction and the C-direction while easily ensuring high productivity. The method for manufacturing a grain-oriented electromagnetic steel sheet reduces iron losses by scanning and irradiating a grain-oriented electromagnetic steel sheet with a continuous-wave laser beam condensed into a circular or elliptical shape at constant intervals in a direction substantially perpendicular to a rolling direction of the grain-oriented electromagnetic steel sheet, wherein when an average irradiation energy density Ua is defined as Ua=P/(Vc×PL) (mJ/mm2), where P (W) is average power of the laser beam, Vc (m/s) is a beam scanning velocity, and PL (mm) is an irradiation interval in a rolling direction, PL and Ua are in the following ranges: 1.0 mm?PL?3.0 mm, 0.8 mJ/mm2?Ua?2.0 mJ/mm2.

Abstract: A system and method to clean the pellicle frame and adhesive ring of a photomask reticle are described. One embodiment includes a cover that isolates the photomasks from the pellicle frame. The reticle is secured between a spin chuck and the cover so that the photomasks are isolated and protected from solvents used in a cleaning process. With the reticle secured to the spin chuck, the spin chuck is rotated under a pressurized spray of solvent. The solvent, which is caustic to the photomasks, removes the contaminants from the adhesive ring. After the exposed areas are cleaned, the cover is removed and foreign material from photomasks are removed using less invasive solvents and methods.

Abstract: To provide a wafer, a method of manufacturing a package, and a piezoelectric oscillator in which warping of a wafer body is reduced to improve the yields. A wafer for lid substrate has a product region in which a number of recess portions for cavities are formed and a non-forming region of the recess portions set in the product region in the form of a straight line extending along a diameter direction of the product region.

Abstract: The present invention provides a slipsheet and/or divider sheet and a method for making the same, the sheet having an imprint or an embossing that provides a raised planar surface. The raised planar surface preferably comprises a plurality of ridges, crowns or crests, which are preferably arranged in a pattern throughout an upper surface of the sheet. To make the sheet, a die can be etched to have protuberances or bumps, and the die is preferably pressed into a sheet of pliable thermoplastic material. The sheet thus made has a plurality of indentation formed by the protuberances or bumps on the die, and the sheet has a planar outer surface comprising a plurality of ridges, crowns and crests between the indentations.

Abstract: An adhesive article and a method of making the adhesive article are described. The adhesive article includes a facestock film having a first surface, a second surface and end edges wherein the second surface has a plurality of recesses formed therein that provide a path for fluid egress to at least one end edge; and a continuous layer of adhesive adhered to the second surface of the facestock film. The adhesive layer can compress, collapse or flex into the recesses of the embossed surface in response to a force to create a path for fluid egress.

Abstract: A nanopatterned surface is prepared by forming a block copolymer film on a miscut crystalline substrate, annealing the block copolymer film, then reconstructing the surface of the annealed block copolymer film The method creates a well-ordered array of voids in the block copolymer film that is maintained over a large area. The nanopatterned block copolymer films can be used in a variety of different applications, including the fabrication of high density data storage media.

Abstract: A backed paneling unit comprised of a backing portion that includes at least an elevated portion. A depth portion may also be included. An elevated portion and/or a depth portion may be formed using any suitable method including, but not limited to, molding, machining and heat stamping. Optionally, a backing portion may comprise a hydrophobic material. Such features may enable fluid flow (e.g., ventilation or liquid drainage) behind the backing portion. Additionally, the elevated portion of the backing portion may eliminate the need for the use of furring strips when installing, for example, siding.

Abstract: A protective device includes a base film, a first carbon nanotube film, and a first protecting film. The first protecting film includes a release layer. The first carbon nanotube film is located between the base film and the first protecting film and in contact with the release layer. The carbon nanotube film is capable of being released from the release layer. The present disclosure also relates to a roll of protective device, and a method for making the protective device.

Abstract: A skin layer is formed on sides of a resin panel along the direction of the panel thickness and both surfaces of the resin panel substantially orthogonal to the sides. An expanded layer is formed in an inner part of the panel surrounded by the skin layer to have a multiplicity of voids. Inner ribs are formed of solid layers in the expanded layer to extend along the surfaces and the direction of the panel thickness so that both the longitudinal ends of each inner rib continue out to the skin layer at the opposed sides. Reinforcing members are inserted into the inner ribs respectively, to expose both the longitudinal end surfaces thereof from the opposed sides. Both the longitudinal end surfaces of each reinforcing member are formed with engaging holes releasably engageable with a support member for supporting the reinforcing member in the cavity of the mold assembly.

Abstract: Nonwoven webs that are comprised of non-thermoplastic fibers, have good in-use strength, and that disperse or break apart when subjected to agitation in water are disclosed. Pre-moistened wipes comprising such webs are also disclosed. The method of making the nonwoven webs is described as providing the webs with discrete compressed sites that form lines of weakness, such that the web may fail in tension along the lines of weakness when the web is subjected to a force less than the maximum force of the uncompressed regions of the web.

Abstract: A siding-plus-backer paneling unit that may provide a valley in the backer for improved adhesion strength, a ridge on another side of the backer for enabling ventilation, and a recess in an end of the backer for improved mating of adjacent paneling units.

Abstract: The optical element includes a base member configured to have an optical surface, a concave-convex structure configured to have an average pitch smaller than a shortest wavelength of a use wavelength range, and an intermediate layer formed between the optical surface and the concave-convex structure, made of a material different from that of the concave-convex structure, and having a refractive index between those of the base member and the material of the concave-convex structure. The optical surface is formed into a shape having a rotational symmetry axis. A thickness of the intermediate layer or each of thicknesses of the intermediate layer and the concave-convex structure varies so as to increase as a distance from the rotational symmetry axis increases. The optical element has good anti-reflection performance not only at a central part of the optical surface having a small curvature radius but also at a peripheral part thereof.

Abstract: A backed paneling unit comprised of a backing portion that includes at least one of a depth portion and an elevated portion. An elevated portion and/or a depth portion may be formed using any suitable method including, but not limited to, molding, machining and heat stamping. Optionally, a backing portion may comprise a hydrophobic material. Such features may enable fluid flow (e.g., ventilation or liquid drainage) behind the backing portion.

Abstract: There are provided a UV high-transmittance double-layer wire grid polarizer for a photo-alignment film and a method for manufacturing the same. The UV high-transmittance double-layer wire grid polarizer for a photo-alignment film includes: a substrate; an anti-reflection layer disposed on the substrate; a patterned photoresist layer disposed on the anti-reflection layer; and metal thin films disposed on the photoresist layer and the anti-reflection layer.

Abstract: Provided is a liquid-permeable nonwoven fabric having improved in air permeability in the thickness direction thereof, formed on its surface with ridges and troughs extending in parallel to each other in one direction. A nonwoven fabric formed of thermoplastic synthetic short fibers fused together is formed on its upper surface with ridges and troughs extending in parallel to each other in a longitudinal direction. In a cross section of each ridge taken in the transverse direction, the ridge includes opposite lateral regions in which the short fibers are densely distributed and a central region defined between the opposite lateral regions and in which the short fibers are sparsely distributed. The short fibers in the central region include short fibers in a crest of the ridge adapted to connect the opposite lateral regions to each other. This invention also discloses a method for manufacturing of the nonwoven fabric.

Abstract: A mounting support for mounting photovoltaic modules constructed with at least one glass pane on a flat roof surface includes a flexible elongated strip having a bottom side with a substantially smooth surface for attachment to the roof surface and a top side with a substantially smooth surface for supporting the photovoltaic modules. The top side of the strip includes recesses oriented perpendicular to the longitudinal direction of the strip and separating strip segments which allows the mounting support or strip to be easily rolled up. The strip segments include integrally formed fastening members configured to engage with cooperating fasteners for securing the photovoltaic modules on top side of the strip. The top surface may also include longitudinal grooves or tubes holding the fastening members.

Abstract: A structure of composite board includes a board, a first covering layer, and a second covering layer. The board has an upper surface and a lower surface opposite to the upper surface, and the upper surface forms a plurality of grooves that is substantially parallel to each other. The first covering layer has an upper surface and a lower surface opposite to the upper surface, and the upper surface is bonded to the lower surface of the board. The second covering layer has an upper surface and a lower surface opposite to the upper surface, and the upper surface is bonded to the lower surface of the first covering layer. As such, the composite board, when attached to a column, ensures the advantageous characteristics of water resistance, sound isolation, thermal isolation, and beautiful appearance.

Abstract: An extruded, ceramic, structured packing has a plurality of partition-plates attached to end-walls. The partition-plates have a plurality of parallel, interleaved ribs which run from the leading flow-edge to the trailing flow-edge of the partition plate to create a serpentine cross-sectioned flow-channel between an adjacent pair of partition plates and the end-walls.

Abstract: According to certain embodiments disclosed in the present application, an adhesive label configured to be fed into a printer includes a main layer having a first side configured to be printed and a second side and a liner configured to releasably attach to the second surface of the main layer. The second surface of the main layer comprises one or more creases configured to facilitate folding of the label in a desired manner. In some embodiments, the crease enables folding of the label along a longitudinal centerline. In one embodiment, the crease does not extend across an entire width of the label. In other arrangements, the main layer comprises an intermediate layer and a printable layer secured to the intermediate layer.

Abstract: A liquid-controlling surface, comprising a formation comprising a plurality of individual open topped, closed bottomed cells for containing liquid, each of the cells having a cell wall integral with the closed bottom and defining a well; a plurality of distribution channels extending between adjacent cells and being position on the cell wall at a height to permit liquid to drain to the adjacent cell when a cell liquid level exceeds a predetermined limit and to permit liquid to be retained in the well up to the limit; and a perimeter wall surrounding the cells. The perimeter wall having a height higher than the distribution channels to prevent liquid from leaking from the cells to an area outside the perimeter, and where the formation and perimeter wall comprise rubber.

Abstract: An injection molded product is provided that does not require any separate processes after the injection molding and has beautiful patterns on a surface thereof. The injection molded product includes an irregular prominent surface on which irregular prominences are formed, a regular prominent surface formed having fan-shaped minute protrusions, and a pattern formed by a difference of a regularity between the irregular prominent surface and the regular prominent surface.

Abstract: The present invention provides a slipsheet and/or divider sheet and a method for making the same, the sheet having an imprint or an embossing that provides a raised planar surface. The raised planar surface preferably comprises a plurality of ridges, crowns or crests, which are preferably arranged in a pattern throughout an upper surface of the sheet. To make the sheet, a die can be etched to have protuberances or bumps, and the die is preferably pressed into a sheet of pliable thermoplastic material. The sheet thus made has a plurality of indentation formed by the protuberances or bumps on the die, and the sheet has a planar outer surface comprising a plurality of ridges, crowns and crests between the indentations.

Abstract: A support tape used in semiconductor wafer processing that includes an adhesive tape and a plurality of spaced support ribs arranged on the adhesive tape.

Abstract: The present invention relates to the self-assembly of a spherical-morphology block copolymer into V-shaped grooves of a substrate. Although spherical morphology block copolymers typically form a body-centered cubic system (bcc) sphere array in bulk, the V-shaped grooves promote the formation of a face-centered cubic system (fcc) sphere array that is well ordered. In one embodiment, the (111) planes of the fcc sphere array are parallel to the angled side walls of the V-shaped groove. The (100) plane of the fcc sphere array is parallel to the top surface of the substrate, and may show a square symmetry among adjacent spheres. This square symmetry is unlike the hexagonal symmetry seen in monolayers of spherical domains and is a useful geometry for lithography applications, especially those used in semiconductor applications.

Abstract: An improved mat is disclosed. Long and short legs support the mat and cause it to feel resilient although it is fabricated from hard rubber. The mat has drain holes on vertical surfaces. Ribs prevent the mat from embedding within grating. Grit is selectively placed upon the mat and physically supported. Adhesive for bonding the grit is retained by retention lips. Also disclosed is a process for creating drain holes on vertical surfaces of mats by attaching a grooving tool to a robot and programming the robot to cut through molded mat channels to create the desired drain holes. An additional process uses the robot to selectively place adhesive upon the mat. An adhesive dispenser is attached to the robot and the robot is appropriately programmed.

Abstract: A boring cutter body (5) is inserted into a circular hole (3) and is rotated and moved in an axial direction, whereby screw-shaped groove parts (11) are formed by using a tool bit (9) provided on a tip end of an outer peripheral portion, and broken surfaces (15) are formed by breaking tips of ridge parts generated by formation of the groove parts (11). Moreover, the groove parts (11) are processed through electric discharge machining using a wire electrode (17) provided to the boring cutter body (5) behind the tool bit (9) in the rotating direction, thereby forming finely roughened portions (41) having more finely roughened shapes than the broken surfaces (15).

Abstract: An injection molded foam article including a structure and a projection projecting from the structure. The thickness of the projection is greater than 40% of the thickness of the structure and the front surface of the structure opposite the projection is free of sink marks.

Abstract: A memory device is disclosed including at least one surface pre-treated to roughen the surface for better adhesion of ink on the surface. The surface of the memory device may be pre-treated by scoring lines in the surface with a laser or by forming discrete deformations with a particle blaster. The surface may also be roughened by providing a roughened pattern on a mold plate during an encapsulation process. In further examples, the surface may be chemically pre-treated to roughen the surface and/or increase the adhesion energy of the surface.

Abstract: A housing for an electronic device is disclosed, the housing comprises a base layer and a transparent film layer overlapped in the base layer, the film layer includes an inner surface abutting the base layer and an outer surface having ridges protruding thereform. The housing is formed by injection molding a molten plastic material over the transparent film layer, the ridges are formed on the transparent film layer by the molten plastic pressing the transparent film layer in injection molding. It is also disclosed a mold for making the housing and a method to make the housing.

Abstract: An environmentally resilient building product of a vinyl laminated formed-sheet metallic substrate wherein the vinyl laminate is adhesively attached to the formed-sheet metallic substrate to provide a durable and attractive surface. Possible decorative and resilient surfaces include, but are not limited to solid colors, metallic finishes, and graphical images or patterns, all available in a variety of textures.

Abstract: A V-grooved composite insulation is provided with an adhesive coating and a protective jacketing material bonded to the adhesive. The protective jacketing material extends beyond the perimeter of the grooved insulation board and comprises at least one intact release layer at a location in which the protective jacketing is clear of contact with the bottom surface of the insulation member and a pressure sensitive adhesive between the portion of the protective jacketing material and the at least one release layer. The method also comprises preshaping the grooved insulation board around a pipe by bending the grooved insulation board, removing the release layer of the protective jacketing material, thereby exposing the pressure sensitive adhesive and securing the pressure sensitive adhesive to the protective jacketing to thereby surround the pipe in a vapor free manner. Grooved insulation boards with protective jacketing so constructed are also provided.

Abstract: The present invention concerns a synthetic floor covering comprising a decorative pattern representing an element of natural floor covering to be imitated, said floor covering being in the form of a strip, the width of which corresponds to the width of said element of natural floor covering to be imitated, and the length of which corresponds to the length of at least two of said elements of natural floor covering to be imitated, said pattern of at least two natural decoration elements being separated by a pattern imitating a joint connecting said natural decoration elements.

Abstract: A silicon block is firmly connected to a carrier for being moved together for further working by sawing, cleaning or the like. The carrier consists of plastic, for example of glass-fibre-reinforced plastic, and has in its interior a number of continuous longitudinal channels. These longitudinal channels are sawn into, and so cleaning fluid can then be introduced into the intermediate space between the sawn-up wafers in order to flush out sawing remains.