A method for manufacturing a fuel cell assembly includes: arranging an end face of a gas diffusion layer on a placement jig in a state abutting an end face of a resin frame; melting a part of the frame member and causing to penetrate into the gas diffusion layer by pressurizing the projecting part by way of a heat-transfer member, and heating the projecting part via the heat-transfer member by abutting a heating member against of the heat-transfer member; and solidifying the part of the resin frame having penetrated into the gas diffusion layer, in which an abutting position of the heating member relative to the heat transfer member is set in the melting step so that a central axis of the heating member is positioned more to a side of the gas diffusion layer than the central axis of the projecting part.

Methods and apparatuses for bonding polymeric parts are disclosed. Specifically, in one embodiment, the polymeric parts are bonded by plastically deforming them against each other while they are below the glass transition temperatures. A method includes: placing a first polymeric part in contact with a second polymeric part; and plastically deforming the first polymeric part and the second polymeric part against each other to bond the first polymeric part to the second polymeric part. Additionally, during the plastic deformation, a temperature of the first polymeric part is less than a glass transition temperature of the first polymeric part and a temperature of the second polymeric part is less than a glass transition temperature of the second polymeric part.

A surface-modified thermoplastic resin in which sufficient bonding strength is applied to a thermoplastic resin and a method thereof are provided. A bonded structure capable of exhibiting sufficient bonding strength and a method thereof are provided. A thermal transfer surface-modifying sheet that can be preferably used in the method for manufacturing a surface-modified thermoplastic resin is provided. A thermoplastic resin with a thermal transfer surface-modifying sheet including the thermal transfer surface-modifying sheet is provided. The method for manufacturing a surface-modified thermoplastic resin, in which an easy adherence layer is laminated on a thermoplastic resin having a melting point of T C., the method includes: providing the easy adherence layer on at least a part of a surface of the thermoplastic resin; and performing heat welding at a temperature equal to or higher than (T50) C.

A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes inflating the delivery balloon during a diameter reduction to improve scaffold retention and maintaining an inflated balloon during the diameter reduction and prior and subsequent dwell periods.

A microchannel chip with which channel deformation does not occur even when high-temperature and high-pressure sterilization treatment is performed and with which strong joining performance of substrates is maintained; and a method for manufacturing the same are provided. A microchannel chip comprising: a channel substrate having a microchannel formed on at least one surface thereof; a lid substrate; and a joining layer joining the channel substrate and the lid substrate, wherein the channel substrate, the lid substrate, and the joining layer are each formed of a cycloolefin polymer, a glass-transition temperature Tg.sub.s1 of a cycloolefin polymer forming the channel substrate, a glass-transition temperature Tg.sub.s2 of a cycloolefin polymer forming the lid substrate, and a glass-transition temperature Tg.sub.2 of a cycloolefin polymer forming the joining layer have relationships: Tg.sub.s1>Tg.sub.2; and Tg.sub.s2>Tg.sub.2, and the joining layer has a thickness within a specific range.

A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes inflating the delivery balloon during a diameter reduction to improve scaffold retention and maintaining an inflated balloon during the diameter reduction and prior and subsequent dwell periods.

A medical device includes a balloon expanded scaffold crimped to a catheter having a balloon. The scaffold has a network of rings formed by struts connected at crowns and links connecting adjacent rings. The scaffold is crimped to the balloon by a process that includes using protective polymer sheaths or sheets during crimping, and adjusting the sheaths or sheets during the crimping to avoid or minimize interference between the polymer material and scaffold struts as the scaffold is reduced in size.

There are provided a method and device for thermocompression bonding of possibly preventing any warping of a resin member to be caused by thermocompression bonding, and of possibly reducing the time to be taken for processing. The method for thermocompression bonding, includes: preheating a resin member using an infrared radiation section; and subjecting the resin member to thermocompression bonding using a heating section and a pressurization section.

A device for welding the bottom flange of a stiffener on the side of a skin. The stiffener and the skin are made of a composite comprising a thermoplastic polymer matrix. The device comprises a punch, an anvil and a press to make a clamping between the punch and the anvil. The punch comprises a part forming a pressure table with a cross-section width less than or equal to the width of the stiffener bottom flange and a heating element with width less than the width of the pressure table. The anvil comprises a cooling component and has a cross-section width smaller than the width of the skin. A method for implementing the device.

To provide a manufacturing method of a composite film for laminated glass, the method enabling the high-yield manufacture of the composite film that causes less appearance failure in the obtained laminated glass, while ensuring smooth workability. A manufacturing method of a composite film composed of a resin intermediate film and a plastic film for laminated glass, including: feeding the resin intermediate film with 0.04 to 0.4 N/cm tension and the plastic film, between a two rolls whose surface temperatures are 25 to 50 C., and pressing these to obtain a laminate; and feeding the laminate between a third roll whose surface temperature is 60 C. or higher and lower than Tg of a resin in the plastic film and a fourth roll whose surface temperature is lower than this by 15 to 30 C., so as to bring the plastic film into contact with the third roll, and pressing the laminate.