Abstract: The invention relates to an ultrasonic transducer comprising at least one sensor, particularly for use in ultrasonic bonders. At least one sensor (4, 6) is arranged in/on a mounting (2, 3) of the ultrasonic transducer and, in particular, by means of which a transverse extension perpendicular to a propagating exciting ultrasonic wave can be metrologically detected.

Abstract: A first thermoplastic part is simultaneously welded to second and third thermoplastic parts by fastening the first part to a tool mounted for linear vibration, the tool being connected to spring members urging the tool toward a central position and responsive to displacement of the tool from the central position for urging the tool back to the central position; fastening the second and third parts in stationary positions with surfaces of the second and third parts to be welded to the first part positioned adjacent different surfaces of the first part; pressing the second and third parts against the first part while (a) clamping the first part between the tool and a resonant mount and (b) imparting vibratory movement to the tool and thus to the first part in a direction substantially parallel to the surfaces to be welded. In one implementation, the resonant mount is supported on roller bearings.

Abstract: Apparatus for use in welding a pour spout fitment (22) to a container (32) comprises an ultrasonic welding horn (18) formed with a recess (20) at one end for receiving part of the fitment (22), an anvil (2) between an annular surface portion of which and that one end of the horn (18) are vibratingly pressed a wall off the container (32) and the flange (28) to each other, a head (14) at the opposite end of the head (14) for maintaining an annular, radially inner portion of the flange (28) spaced axially outwards from the annular surface portion of the anvil (2), the outer periphery of the ring (16) being radially dimensioned to be received in the recess (20).

Abstract: A sonotrode and an anvil have a spacing determined by a manually adjustable mechanical device. The adjustable mechanical device includes an abutment device which maintains the distance between the sonotrode and the anvil greater than the minimum space, and which is provided with an elastic device for elastically attracting the sonotrode and the anvil to each other. Thus, it is possible to control efficiently the melting of material between the sonotrode and the anvil, for reliable welding, or for efficient cutting, or for welding along the cutting line.

Abstract: An ultrasonic sealer comprising a hollow shaft (1) having a longitudinal axis (2) and being rotatably arranged in a housing (3) for driven rotation about its longitudinal axis (2). The rotary sealer further comprises a sealing horn (8) arranged coaxially in the hollow shaft (1) and connected to a converter (6) and preferably also a booster (7). The horn (8) is provided with a peripheral sealing area (13) outside an axial end (13) of the hollow shaft (1). The horn (8) is connected to the hollow shaft (1) by means of at least one annular, metallic support (11) extending between an outer face (14) of the horn (8) and an inner face (10) of the hollow shaft (1). The at least one annular support (11) is corrugated in cross section such that at least two grooves and one ridge arranged there between are provided between the inner face (10) of the hollow shaft (1) and the outer face (14) of the horn (8).

Abstract: A method of forming a multi-colored multi-layered non-woven composite includes the application of ultrasonic energy to the top layer to displace a portion of that layer in a predetermined pattern such that openings are formed through which any underlying layer may be visible. In related embodiments, the use of pinsonic or ultrasonic embossing of a non-woven layer provides a three-dimensional colored pattern due to melting and densification of the fibers and/or the activation of heat activatable pigments or dyes used to color the non-woven.

Abstract: A bonding tool and method for bonding a semiconductor chip to a surface is provided wherein the bonding tool includes a bonding tip comprising a ceramic material, preferably titanium carbide. The bonding tip is operative to hold the chip and a bonding energy generator such as an ultrasonic transducer is coupled to the bonding tip for applying bonding energy to the bonding tip and the chip to bond the chip to the surface. The bonding tip may further include martensite such that the titanium carbide is present in a hard phase and the martensite is present in a soft phase as a binder for the same.

Abstract: A face mask manufacturing machine includes a platform, a first-side edge fusion module, a second-side edge fusion module, a folding device, and a center line fusion module. The first-side and second-side edge fusion modules and the center line fusion module each comprise a pneumatic cylinder, which is operatively coupled to automatic control facility for carrying out automatic operation to thereby reduce the labor needed for operating fusion facility and enhance manufacturing efficiency.

Abstract: This invention provides a manufacturing method of printed wiring board which enables a plate-like substrate to be carried and processed without any contact to its product surface. End portions of plate-like copper clad laminates are overlapped vertically and then joined linearly by rotating an ultrasonic horn along the end portions. Consequently, copper foils can be metal-joined and a joining strength necessary for transportation with a roller is obtained. Because belt-like copper clad laminate is obtained by joining the plate-like copper clad laminates and after that, processed, thus, the belt-like copper clad laminate can be carried without any contact to its product surface as it is carried with the roller, and then processed.

Abstract: This assembly of a trim part of thermoplastic material for a motor vehicle with another part having a thin portion of thermoplastic material is such that the thin portion presents through orifices and the melting of the trim part together with the thin portion is localized solely at the outlines of the through orifices. In the assembly method, the melting of material is obtained by welding, by means of tangential vibrations of a bit in an ultrasound frequency range. The tangential vibrations are applied to the thin portion of the other part so as to form at least one through orifice in said part and so as to cause melting of said part together with the trim part at the outline of the orifice.

Abstract: The present invention relates to a sealing device for making a longitudinal seal on and simultaneously trimming the excess material from a web of material during the formation of a continuous tubular wrapping of filter paper in a station forming part of an automatic machine for making filter bags containing infusion products such as tea or coffee.

Abstract: The present invention includes a method and apparatus wherein webless zipper is provided with concave seal bridges. These concave seal bridges are complementary in shape to convex sealing bars. This captures or positions the seal bridges of the zipper profiles resulting in improved alignment of the profiles and improved performance of the manufacturing apparatus.

Abstract: The caulking device for the metal plate for the tape reel of the present invention in which a plurality of bosses 14 formed on one end surface of the tape reel 10 are inserted in a plurality of boss holes 22 formed on the metal plate 20, and the bosses 14 projected from the boss holes 22 are caulked to fix the metal plate 20 to the one end surface of the tape reel 10, wherein the front end surface 3a of the welded horn 3 is formed in a flat state, and is formed in a plane shape capable of simultaneously being brought into contact with all the bosses 14.

Abstract: An ultrasonic welding machine having a tool in the form of, for example, a sonotrode. In order to allow for an optimal utilization of the working surfaces of the sonotrode, it is proposed to move or mount the sonotrode in a desired position with respect to the element that connects the ultrasonic welding machine to the sonotrode by rotating the sonotrode around its longitudinal axis as well as a transverse axis running perpendicular thereto.

Abstract: The present welding device is a device for welding webs W, the device including: a drum 20 and an anvil 21 rotating about an axis; a transfer section 22 provided on a periphery of the drum 20 to rotate together with the drum 20; a horn 11 which, together with the anvil 21, applies a vibration energy to a layered portion of the webs; a cutter 30 which comes into contact with the anvil 21 to cut the webs; a sensor 40 for measuring a distance between the anvil 21 and the horn 11; and a control section for controlling a relative positions of the anvil 21 and the horn 11 based on the measured distance between the anvil 21 and the horn 11 as measured by the sensor. While the horn 11, together with the anvil 21, applies the violation energy to the webs W, the cutting of the webs W by the cutter 30 is not performed.

Abstract: A heating apparatus and method for heating a semiconductor device during bonding of electrical contacts onto the device is provided, which includes a heating plate that is provided for heating the semiconductor device and a layer of compliant material extending over at least a portion of the heating plate for mounting the semiconductor device. A holding mechanism secures the semiconductor device on the layer of compliant material during bonding of electrical contacts onto the semiconductor device while it is being heated by the heating plate.

Abstract: According to an embodiment of the present invention, a printed wiring board manufacturing apparatus being provided with a drum unit having a processing cylinder that holds the printed wiring board material and comprises a cylinder outer circumference and a processing unit that performs processing on the printed wiring board material held by the processing cylinder.

Abstract: A body side wafer of a stoma system is bonded to a further component thereof using an ultrasonic welding apparatus including an anvil and a horn. The horn includes a first welding surface and the anvil includes a second welding surface. At least one of the two welding surfaces includes a pattern of projections, preferably a plurality of adjacently placed conical projections such as pyramids, truncated pyramids, prismoids, cones, truncated cones or cylinders. The steps include clamping the parts to be welded between the first and second welding surface, and ultrasonically vibrating the horn with respect to the anvil. The resulting welded structure includes a first and a second welding area, respectively, which are bonded to each other by ultrasonic welding. At least one of the two welding areas includes a pattern of depressions, preferably a plurality of adjacently placed conical depressions, preferably in a goffered, honeycomb or diamond pattern.

Abstract: Disclosed are a bonding method for a semiconductor chip, which employs an ultrasonic bonding scheme that prevents wear-out of the top surface of a mount tool and ensures both high reliability and high productivity, and a bonding apparatus which is used to carry out the method. The bonding apparatus and method are provided with means for suppressing generation of a sliding friction. The apparatus and method execute a bonding process by controlling vibration-axial directional holding force and inertial force based on information given from control management means to thereby maintain a relationship of (vibration-axial directional holding force)>(die shear strength)+(inertial force) while applying an ultrasonic vibration to a region which is subjected to bonding.

Abstract: Method and apparatus for welding two container walls of plastic film (1, 2) to a plastic tube (3) having a substantially circular cross section, wherein the plastic tube (3) is arranged between two parallelly arranged plastic films (1, 2). The two plastic films (1, 2) are made to extend along the outer surface of the plastic tube (3) and to abut each other along a joint face (7) between two welding jaws (5, 6) in an area (8) adjoining the plastic tube (3). The plastic films (1, 2) are welded by means of welding jaws (5, 6) to the outer face of the plastic tube (3) and welded together in the area (8) adjoining the plastic tube (3). The plastic tube (3) is deformed during welding by means of a compressive force applied by the welding jaws (5, (5) to provide the outer surface of the plastic tube (3) with a substantially plane portion (9) extending on both sides of the joint face (7) and substantially perpendicular thereto.

Abstract: An ultrasonic sonotrode for irradiating ultrasonic energy into fluid or pasty media, wherein the ultrasonic sonotrode in the longitudinal direction (z) includes: a coupling section for coupling an active ultrasonic system which excites longitudinally in the longitudinal direction (z); a base section, wherein the largest dimension of the base section transverse to the longitudinal direction (z) is larger than the length of the base section in the longitudinal direction (z), wherein the dimensions of the base section transverse to the longitudinal direction in the border region to the transition section are always ??/4 and the shortest length of the base section in the longitudinal direction (z)<?/4; a transition section for the reduction of the cross section in at least one cross-section with respect to the base section; and a flat section with an end-face region as an irradiation surface, wherein the flat section is divided by way of at least one slot into several tongues which are unconnected in the end-f

Abstract: In apparatus for mechanically bonding and cutting an article during assembly thereof at least a portion of the article is transported through a nip defined by first and second members. A bonding segment is disposed on one of the first and second members and a cutting segment separate from the bonding segment is also disposed on one of the first and second members. The apparatus is operable so that a portion of the article is mechanically bonded as the article passes through the nip and a portion of the article separate from the bonded portion is cut as the article passes through the nip.

Abstract: An ultrasonic tool, for bonding two materials to each other by joining a face of one of the materials to a face of the other material using the action of ultrasonic waves applied to one of the materials through another face of the one of the materials, wherein the ultrasonic tool has a coating layer comprising chromium oxide as a main component formed on at least the surface of the tool that is in contact with the face of the one of the materials through which the ultrasonic waves are applied to the one of the materials. An ultrasonic bonder provided with the ultrasonic tool is also disclosed.

Abstract: The invention provides a water blocking tape for use in a variety of cable designs, such as power cable, data communications cable and telecommunications cable. A water blocking tape according to the invention includes layers of lightweight nonwoven fabric with one or more swellable water blocking compounds, such as water absorbent polymers, disposed between the layers. The nonwoven fabric layers are bonded in a pattern using an ultrasonic bonding technique. The bonding pattern helps to contain and to restrain movement of the water blocking compounds between the layers. The bonding pattern compartmentalizes the water blocking compounds to prevent pooling of the compounds and to facilitate a substantially consistent distribution of the compounds between the layers such that when a tape contacts water, the tape achieves a substantially consistent swell height.

Abstract: A metal welding horn having tripartite ceramic coating on its welding horn tip.

Abstract: A non-invasive tear mechanism for a flexible packaging, the non-invasive tear mechanism comprises a plurality of junctions formed in the flexible packaging that form a line of weakness in the packaging. The junctions are non-invasive in that the flexible packaging is not cut or scored when the non-invasive tear mechanism is formed. An apparatus for producing a non-invasive tear mechanism in a flexible packaging comprising a carriage, a horn mounted on the carriage, and an anvil having an anvil work surface with a plurality of protuberances extending from it mounted on the carriage. An actuating rod is mounted on the carriage and used for moving the horn and anvil. The protuberances form the non-invasive tear mechanism in the flexible packaging when the horn is activated and the flexible packaging is fused at junctions that correspond with the protuberances.

Abstract: A device for connecting a multilayered material band by ultrasound in a first gap between a first ultrasonic device and at least one first responder is provided. A first, flat material band is introduced through a first feeding device and a second flat material band is introduced through a second feeding device into the first gap.

Abstract: Component (3) is pressed onto a circuit board (4) so that their respective metal interconnects (5), (6) are in close contact with each other, and ultrasonic vibration is applied to the suction nozzle (14) holding the component (3). Friction is thereby generated between metal interconnects (5), (6) whereby the component (3) is bonded on circuit substrate. Suction nozzle (14) for handling components is made of stainless steel and has a working face (14a) provided with a hardened layer (14b), or alternatively, suction nozzle (14) may have a suction head (14c) having a working face (14a) made of cemented carbide. Working face (14a) of suction nozzle (14) is refined by polishing as required during the mounting operation.

Abstract: A flat electrical cable and a modular rotary anvil for assembling a flat electrical cable wherein the flat cable includes an upper and lower layer. The upper layer has ribs protruding along its length that are substantially parallel to one another, and continuous substantially parallel and adjacent seams formed therebetween. Conductors are placed between the upper and lower layers adjacent the seams. The present invention may have upper and lower polyester layers having copper conductors therebetween and the seams ultrasonically welded in order to provide a flat electrical cable for various applications such as incorporation in an automobile clockspring. The modular rotary anvil includes multiple removable and interchangeable segments or inserts which provide the ability to impart a smooth or knurled textured surface pattern to the work-piece. piece. Other inserts include cutting inserts which provide for a seam on the work-piece while a the same time cuts the work-piece along a seam.

Abstract: An ultrasonic sealing apparatus is provided for transversely ultrasonically sealing a packing material comprised of a laminated body including at least a thermoplastic resin layer having a tubular form and containing a fluid. The apparatus includes a horn having an elongated and flat sealing face and an opposing jaw with an action face including a pressing portion for pressing the packing material in cooperation with the sealing face of the horn to a define at least one transverse sealing zone of the tubular packing material. At least one groove is disposed on the action face of the opposing jaw for forming a molten thermoplastic resin bulge in a vicinal area of the at least one sealing zone on a side in contact with the fluid in the tubular packing material.

Abstract: Changes in the form of a pressure welding part of a bonding tool for ultrasonic bonding due to abrasion of the pressure welding part and/or accumulation of foreign matter, such as plating material, on the pressure welding part during use of the bonding tool are prevented, so that the bonding tool can carry out ultrasonic bonding stably. A plurality of protrusions with curved outer surfaces are formed on the pressure welding part that contacts the bonded part during ultrasonic bonding. The protrusions can be formed with spherical outer surfaces by forming concave grooves in a grid in an end surface of the bonding tool and then sandblasting the end surface of the bonding tool.

Abstract: A device for the fluid-tight sealing and separation of a pipe section by means of an ultrasonic welding device, including a sonotrode with a first welding surface, an anvil with a second welding surface that is assigned to the first welding surface, and a separating element which starts from the sonotrode and extends past the first welding surface. In order to be able to separate a section of a pipe in such a way that the pipe is sealed in a fluid-tight manner regardless of the side on which the section is located and without having to change tools or reposition the ultrasonic welding device, the sonotrode is provided with two first welding surfaces which are placed at a distance from each other and to which two second welding surfaces of the anvil are assigned, the separating element is disposed between the two first welding surfaces, and a recess which is located between the two second welding surfaces of the anvil is assigned to the separating element.

Abstract: The invention relates to an ultrasound horn comprising a fixing section (1a), a sealing section (1c) and a transfer section (1b) extending therebetween, one or more elongate recesses (3, 4) being formed at least in the transfer section (1b), and said recesses (3, 4) extending in a direction (A) between the fixing section (1a) and the sealing section (1c). Said recesses (3, 4) have a rounding-off encompassing, along the rounding-off, at least a first portion (5a, 7a) with a first radius of curvature, a second portion (5b, 7b) with a second radius of curvature and a third portion (5c, 7c) with a third radius of curvature. The invention also relates to a novel forming of the transfer section (1b) and recesses (9, 10) at the ends of the sealing section (1c).

Abstract: In an ultrasonic welding apparatus comprising an ultrasonic sonotrode and a backing plate, flat workpieces to be welded are pressed between the sonotrode and the backing plate. Projections are provided on a portion of the surface of the sonotrode and on a portion of the surface of the backing plate, each projection-bearing surface portion being adjoined by a smooth portion. The flat workpieces are for example ends of a strapping tape formed in a loop around a package in a strapping machine and the aim is to produce a weld of increased strength.

Abstract: An apparatus for continuously bonding and/or welding material webs by means of ultrasound, having an ultrasonic horn configured as a rotating roller, an anvil radially opposite the rotating roller, an amplitude transformer set axially on the rotating roller, an ultrasonic converter attached to the amplitude transformer with an energy supply, where the length 1 of the rotating roller equals a ?/2 wave or a multiple thereof (1=x·?/2).

Abstract: A single pass process and apparatus for manufacturing a folded yard sign from a pre-cut sheet previously coated on both sides with a fusible polymer includes the steps of printing an image on an outside of the sheet, curing the image, scoring the printed sheet, folding the scored sheet, ultrasonically sealing regions along side edges of the folded sheet, and stacking the sealed sheets, which are finished sign products ready for packaging. The ultrasonic sealing fuses the polymer coated inside surfaces along the edges of the folded sheet. The sealed side edges form a sign support receiving pocket in the finished sign member in cooperation with a folded edge of the sign member.

Abstract: A welding device comprising a body having a cylindrical portion and an integral gripping portion extending away from the cylindrical portion. A welding head is provided at one end of the cylindrical portion. The welding head is angularly displaceable relative to the cylindrical portion about the longitudinal axis of the cylindrical portion and supports an ultrasonic transducer and an anvil co-operable with the transducer. The transducer and anvil are relatively movable towards one another to pinch an object to be welded therebetween. A pulling device operable by a trigger is provided for pulling the transducer and the anvil towards one another and a battery pack is releasably attached to the gripping portion.

Abstract: A suction-side transmission or engine filter includes a filter bag assembly having an outlet portion and a media bag enclosing an inner support structure, the filter bag assembly is contained at least partially within a housing having an outlet port. The outlet portion and outlet port are aligned and sealed together creating an outside-in fluid flow scheme.

Abstract: A method of manufacturing a filter comprises the steps of assembling multiple layers of filtration material on top of one another to form an assembly; holding the assembly between an ultrasonic weld horn and a weld nest so that the assembly has a marginal area outside of an edge formed on either the nest or the weld horn; and operating the weld horn so as to cause the marginal area to be cut off from the assembly at the edge and to simultaneously seal together the layers of filtration material of the remaining assembly at the edge. A filter made by the process and an apparatus used to practice the process are also disclosed.

Abstract: A sealing apparatus includes an anvil of a sealing abutment surface, which is driven to circulate with a constant peripheral velocity, and an ultrasonic horn of a sealing abutment surface, which is driven to reciprocate with varying velocities. Since the relative velocity of a soft workpiece moving along with the anvil against the sealing abutment surface of the ultrasonic horn can be made low, a sealing energy from the ultrasonic horn may be applied to the soft workpiece sufficiently long.

Abstract: A method of manufacture involves the following steps: extruding a first zipper strip comprising a first zipper flange and a first closure profile; extruding a second zipper strip comprising a second zipper flange and a second closure profile that is interlockable with the first closure profile; interlocking the first and second closure profiles; and welding the first and second zipper flanges together in a first zone and welding the first and second closure profiles together in a second zone by applying energy to both zones in one operation or in separate operations. A generally T-shaped zone of fusion is formed. The second zone forms the top of the T shape, while the first zone forms the stem of the T shape. The first zone forms respective flange seals, while the second zone forms either back-to-back preseals or back-to-back slider end stops when the zipper is cut, depending on whether the zipper is sliderless or slider-actuated.

Abstract: An ultrasonic welding assembly comprising a horn, an anvil and an anvil cover. The horn comprises a generally T-shaped flattening surface and a rail projecting forward of the flattening surface. The rail is shaped to serve as a dam for flowing thermoplastic zipper material during stomping of slider end stops. The horn further comprises a plurality of vertical energy directors designed to direct ultrasonic energy into the mass of zipper material and deflect flowing zipper material toward the dam. The horn further comprises first and second recesses located on opposite sides of a stem of the T-shaped flattening surface. The anvil cover overlies opposing portions of the anvil and comprises a T-shaped cutout. The T-shaped flattening surface of the horn fits in the T-shaped cutout of the anvil cover. The resulting zipper has slider end stops located at opposing ends.

Abstract: A method and an apparatus for ultrasonically welding plastic parts together. The ultrasonic welding apparatus includes: an air cylinder having a piston rod; an ultrasonic horn substantially rigidly coupled to an end of the piston rod and having a distal end; a rotary anvil having an axis of rotation generally perpendicular to an axis of the piston rod and comprising a periphery; a transducer for converting electric potential differences into ultrasound wave energy, the horn being acoustically coupled to the transducer; and drive means for causing the anvil to rotate. The distal end of the horn confronts the periphery of the anvil throughout rotation of the anvil. On one application, interlocked zipper strips are passed through a gap between the distal end of the horn and the periphery of the anvil. The anvil periphery has a plateau that presses the zipper against the distal end of the horn. The transducer is energized in synchronism with the plateau being opposed to the distal end of the horn.

Abstract: In an ultrasonic bonding method that bonds a material to a bonding surface by the application of ultrasonic vibration, both side faces of the material in the direction of ultrasonic vibration are clamped by an application member that applies a predetermined ultrasonic vibration, and by a clamping member. The clamping member is synchronously vibrated by ultrasonic vibration transmitted through the material from the application member, and the material is bonded to the bonding surface while being pressed against the application member and against the bonding surface. In this method, high bonding quality can be achieved by efficiently transmitting ultrasonic vibration from the application member to a material to be bonded, and the material can be prevented from tilting, cracking, chipping, or the like without being subjected to a special working operation, for example, forming of a chamfered portion.

Abstract: A method produces a connection interface in a tubular filter element for filtering liquids, including a filter mat (10). The opposite ends (14) of the filter mat are interconnected in a connection position by a planar weld seam (28) provided with an embossed strip in the region of the free ends (14) of the filter mat. A region is provided between the embossed weld seam (30) and the beginning of the transition towards the tubular filter mats, in which a smooth weld seam (32) is applied without embossing in a flat strip along the ends (14) of the filter mat. This arrangement enables the ends of the filter mat to be welded together in a strong and long-lasting manner. The embossed weld seam is simultaneously unloaded of any stress by the smooth weld seam.

Abstract: According to a bonding method of heat-welding a plurality of components in a predetermined lengthwise direction by vibration of an ultrasonic vibrator, the plurality of components are fixed such that their bonding positions are aligned, the ultrasonic vibrator is oscillated, and the plurality of components and ultrasonic vibrator are moved relative to each other in the lengthwise direction, thus performing heat welding.

Abstract: A rotary sonotrode enabling welding to be carried out continuously over a large width. A sonotrode (S) more particularly of revolution, made of a first material for propagation of ultrasonic waves, more particularly metal, comprising a axial bar (2) and an active part (4) connected to the axial part (2), the bar extending uninterruptedly over the entire axial extent of the sonotrode, and a chamber (8), made of a second material which does not allow the transmission of ultrasonic waves from the first material to the second, the second material being more particularly air or avoid, is interposed between the bar (2) and the active part (4).

Abstract: The present invention pertains to a multilayer flexible wiring board. The multilayer flexible wiring board including first and second patterned wiring layers, a resin film interposed between a surface of the first wiring layer and a surface of the second wiring layer, and a bump connected to the surface of the second wiring layer, wherein the resin film is adapted to form an opening when the bump to force into the resin film and an ultrasonic wave is applied to the bump and the bump is left in the opening to electrically connect the top of the bump to the first wiring layer.

Abstract: To vibration weld two components (1, 2), which are to be joined together on a welding surface (8), a vibrational movement (7) is transmitted from a tool (3) to the vibrating component (1) while the other component (2) is fixed. During the procedure, the tool (3) presses the vibrating component (1) onto the fixed component (2) in a direction (9) substantially perpendicular to the vibrational movement (7). To avoid the need for a structured surface on the tool (3) in order to transmit the vibrational movement to the vibrating component, which structured surface could leave marks on the vibrating component, the vibrating component (1) has at least one relief-like depression (5) or elevation (6), which transmits the vibrational movement from the tool (3) to the vibrating component (1).

Abstract: An ultrasonic bonding apparatus including an ultrasonic horn formed as a horizontally symmetrical inverse triangle having two apexes besides a lower apex facing downwards; a vibrator attached to at least one apex for inputting ultrasonic vibrations in a direction facing the lower apex; and a load applying device linked to the ultrasonic horn above the lower apex and near the symmetry axis thereof, for applying a downwards pressing load. An abutting member for pressing on the objects to be bonded is provided at the lower apex of the horn. No flexing occurs at the ultrasonic horn due to the applied load, and a uniform load and ultrasonic vibrations are applied to the entire bonding face, yielding uniform and high-quality bonding.