Origin Electric Company, Limited

Panasonic Corporation

Oki Data Corporation

Origin Company, Limited

Hironobu Nishimura

Hideo Kobayashi

Masahiko Kotoyori

Masahiro Nakamura

Yutaka Matsumoto

Shinichi Shinohara

Koji Yamaguchi

Yoshihiko Naito

Osamu Fujisaku

Katumi Yamaguchi

Eiji Ohno

Masami Kuroda

Kazuya Hisada

Keiji Nishikiori

Yasuo Kadoya

Yukio Utsunomiya

Hiroshi Akama

Toshio Kashiwagi

Shuichi Nozaki

Naozumi Mizutani

To provide a clamping mechanism, and an apparatus and a method for manufacturing joined object, all of which allow, with a simple configuration, clamping of clamp objects having sizes different from each other, stably at their positions. A clamping mechanismincludes a plurality of clamp clawsconfigured to clamp an object S to be clamped; a plurality of support shaftsconfigured to pivotally support a corresponding clamp clawwherein the corresponding clamp clawpivots around the support shaftfor opening or closing movement; and a mover apparatusconfigured to cause the clamp clawto perform the opening or closing movement. A joined object manufacturing apparatus includes the clamping mechanisma holder configured to hold an object to be joined, and a joining apparatus configured to join the object S clamped by the clamping mechanismand the object to be joined that is held by the holder. A method for manufacturing a joined object includes causing the clamping mechanismto clamp the object S by use of the joined object manufacturing apparatus, causing the holder to hold the object to be joined, and joining the both.

Clamping mechanism, apparatus for manufacturing joining member, and method for manufacturing joining member

To provide a metal bonded product wherein a large bonding area can be provided to achieve high bonding strength and coaxial accuracy can be easily achieved needing no positioning jig. A first taper portionis formed on a side wall surface of the openingof the ring-shaped metal member, and multiple step-shaped bonding surfaces are formed thereon. An end of the cylindrical portionhas a second taper portionwith the same chamfer angle as that of the first taper portionof the ring-shaped metal member. The ring-shaped metal memberand the cylindrical metal memberare bonded to each other by press-fitting the cylindrical portion of the cylindrical metal memberin the openingof the ring-shaped metal memberwhile applying a current to cause the side wall portion of the cylindrical portion of the cylindrical metal memberand the multiple step-shaped bonding surfaces of the first taper portionto undergo plastic flow.

Metal bonded product and method for producing metal bonded product

To provide a thermal processing apparatus where a projection area perpendicular to the axis of a sealing structure and attachment structure of heat radiation heater is decreased and a chamber volume is decreased. The apparatus has a chamber for accommodating a workpiece of a thermal processing object, the chamber having a partition wall for partitioning inside from outside of the chamber, a heat radiation heater disposed penetrating the partition wall, wherein the heater has a ring seal arranged on an outer peripheral surface of the extension section, and hermetically sealing the chamber, and a heat blocking plate arranged between the heat radiation unit and the ring seal in the axial direction of the glass tube, for blocking heat radiated from the heat radiation unit to the ring seal, the heat blocking plate having an inner peripheral surface fitting along the extension section.

Thermal processing apparatus

An information processing device transmits and receives information to and from plural devices, which are coupled to the information processing device. A memory unit stores a control program that corresponds to each of the devices. An acquisition unit acquires device information from a selected one of the devices. A determination unit determines whether the selected device is controllable based on the acquired device information. A reading unit reads a control program from the memory unit that corresponds to the selected device, if the determination unit determines that the selected device is controllable. A command generation unit of the relevant control program generates commands for the selected device. A transmission control unit transmits commands generated by the command generation unit to the corresponding device. The transmission control unit transmits a set of the commands generated by the command generation unit in a block.

Information processing device that performs data access control through connecting to multiple devices and method thereof

An optical disk manufacturing apparatus which employs first and second signal layer forming mechanisms, a reflection layer forming mechanism, a light transmission layer forming mechanism and first, second and third transportation mechanisms. The apparatus further includes a liquid material supplying mechanism, a first and second rotation mechanism, first and second hardening light radiation apparatuses, a ring-shaped mask portion, and a mask transfer mechanism.

Optical disc production apparatus

In order to apply a liquid material including a small number of bubbles, in particular almost no bubbles larger than a predetermined size, a liquid material supplying apparatus includes: a pressure tank applying a positive pressure higher than the atmospheric pressure to the liquid material; a syringe having a nozzle for discharging the liquid material; and a liquid path member forming a liquid path leading the liquid material from the pressure tank to the syringe; a valve member which is provided on the liquid path member and which opens/closes the liquid path; a bubble defoaming filter which is provided on the liquid path member between the syringe and the valve member and which removes bubbles from the liquid material lead in the liquid path member; and a pressure applying mechanism which starts/stops discharging the liquid material from the nozzle by selectively applying a first pressure higher than the atmospheric pressure and a second pressure lower than the first pressure.

Liquid material supplying apparatus and liquid material supplying method

This manufacturing device for an optical disc includes: a disc-supporting base on which a disc substrate is mounted; a pin-shaped member arranged at a center of the disc-supporting base, and is movable in the vertical in a center hole of the disc substrate; and a capping member which is slidably placed on a top of the pin-shaped member, and closes the center hole of the disc substrate, wherein when the capping member placed on the top of the pin-shaped member is lowered such that a back face of the capping member contacts an around of the center hole of the disc substrate mounted on the disc-supporting base, the capping member slides on the top of the pin-shaped member.

Manufacturing device and manufacturing method for optical disc

An apparatus for bonding disc substrates is provided with a spinner which spreads adhesive placed between a first substrate and second substrate, and a curing device which radiates ultraviolet light onto the adhesive through the substrate to cure it. The curing device includes; a support mechanism which supports the first substrate and second substrate after the adhesive is spread by the spinner, a semiconductor light emitting apparatus having a plurality of light emitting semiconductor elements arranged facing a region where the adhesive is cured, and a positioning mechanism which positions the semiconductor light emitting apparatus such that the light emitting semiconductor elements are a predetermined distance away from the adhesive. The adhesive is cured or semi-cured by ultraviolet light emitted from the plurality of light emitting semiconductor elements.

Method and apparatus for curing adhesive between substrates, and disc substrate bonding apparatus

The object of the present invention is to considerably reduce the amount of heat generated in comparison with a conventional lamp to decrease the thermal effects on an optical disc in an adhesive curing method suitable for curing adhesive supplied between the substrates of a DVD or other optical disc in particular. In the adhesive curing method as claimed in the present invention, an adhesive is cured by irradiating with ultraviolet rays using semiconductor elements that emit ultraviolet rays instead of a lamp. In this case, light-emitting semiconductor elements are used that emit ultraviolet rays having a wavelength within a range in which the transmittance relative to the adhesive before curing is lower than the transmittance relative to the adhesive after curing.

Adhesive curing method, curing apparatus, and optical disc lamination apparatus using the curing apparatus

A molding machinewhich molds two sheets of disc substrates on which the information is recorded simultaneously, a cooling mechanismfor cooling each of the disc substrates, first movably mounting meansfor movably mounting the disc substrate from the molding machine onto the cooling mechanism, and a second movably mounting meansfor mounting each of the disc substrates onto a receiving portion of the turn tableare provided. In addition, a film forming devicefor receiving sequentially each of the disc substrates from this movably mounting meansand forming a reflective film on one of the surfaces of each of the received disc substrates on which the information is recorded; a turn tablehaving a plurality of receiving portions on which the disc substrates are mounted and which rotates intermittently through each constant angle; a reversing mechanismwhich reverses 180 degrees each of the disc substrates; and an overlapping mechanism for overlapping the reversed disc substrates over the other disc substrates are provided. Furthermore, spinnersfor rotating the overlapped two sheets of disc substrates and a curing devicewhich radiates ultra-violet rays onto the disc substrates which are rotated by the spinners to cure the liquid adhesive. According to the above-described structure, an optical disc which is compact, is fast in a production speed, and has a high quality can be achieved.

Optical disk producing device and producing method

A method and apparatus for manufacturing an optical disc, a transparent disc substrate having two relatively wide-area surfaces thereof on at least one of which an information is recorded and a first reflective film is formed onto a dummy disc having similar relatively wide-area surfaces thereof on at least one which another information is recorded and a second reflective film having a light semi-transmissive characteristic is formed are bonded via an adhesive layer and, thereafter, an external force is applied between the dummy disc and the disc substrate through an integrated center hole penetrated through the dummy disc and the disc substrate at center positions thereof to peel off the dummy disc at a first interface between the dummy disc and the second reflective film thereof. In a preferred embodiment, a partial peeling off of the dummy disc from the second reflective film is carried out through a mechanical force and a complete peeling off of the dummy disc from the second reflective film is carried out through a supply of a compressed air to the first interface between the partially peeled dummy disc and the second reflective film.

Manufacturing method and apparatus for optical disc

A method and apparatus for manufacturing an optical disc, a transparent disc substrate having two relatively wide-area surfaces thereof on at least one of which an information is recorded and a first reflective film is formed onto a dummy disc having similar relatively wide-area surfaces thereof on at least one which another information is recorded and a second reflective film having a light semi-transmissive characteristic is formed are bonded via an adhesive layer and, thereafter, an external force is applied between the dummy disc and the disc substrate through an integrated center hole penetrated through the dummy disc and the disc substrate at center positions thereof to peel off the dummy disc at a first interface between the dummy disc and the second reflective film thereof In a preferred embodiment, a partial peeling off of the dummy disc from the second reflective film is carried out through a mechanical force and a complete peeling off of the dummy disc from the second reflective film is carried out through a supply of a compressed air to the first interface between the partially peeled dummy disc and the second reflective film.

A disk bonding system or method comprises a first element for forming an annular adhesive layer on an upwardly facing joint surface of a lower side disk, and a second element for forming a dotted adhesive layer on a downwardly facing joint surface of an upper side disk. Then, a third element sets the upper and lower side disks in a confronting state, and reduces the spacing between the upper and lower side disks until the annular adhesive layer and the dotted adhesive layer are sandwiched between the upper and lower side disks. During this, the annular adhesive layer and the dotted adhesive layer are brought into contact with each other, and the contact region expands in a manner to prevent occurrence of bubbles.

Disk bonding method and system

A system for fabricating a bonded disk, comprises an adhesive supplying section for supplying a liquid adhesive on a first disk, a disk handling section for mating the first disk with a second disk, a spin coating section for spreading the adhesive between the first and second disks and a curing section for curing the adhesive. The disk handling section comprises a disk transfer mechanism for arranging the first and second disks in a confronting state in which the first and second disks confront each other and the adhesive supplied to the first disk is interposed between the first and second disks, and for transferring the first and second disks to the spin coating section so that the first and second disks remain in the confronting state.

Disk bonding system

To improve the reliability, operating speed, size of equipment and economy, a disk coating system for forming a coating on a disk such as a compact disk is arranged to transfer disks to and from a pair of spinners with first and second disk transfer mechanisms. The coating system further has an intermittently rotating turntable, an apparatus for supplying a coating material to each disk on the turntable at a predetermined position, and a system for curing a coating layer on each disk. The spinners for removing an excess amount of the coating material are placed between the turntable and the curing system. The first transfer mechanism is for transferring disks from the turntable to the spinners, and the second transfer mechanism is for transferring disks from the spinners to the curing system. The two spinners are substantially equidistant from a predetermined disk position on the turntable. The first transfer mechanism has two arms extending in two directions diverging from a pivot at a predetermined angle. With both arms, this transfer mechanism can transfer disks from the predetermined disk position on the turntable alternately to the first and second spinners at a high speed.

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Tokorozawa, Japan

Hironobu Nishimura