A process for producing an electrical conductor structure that involves embedding at least one metallic conductor track and at least one heating conductor in an electrically insulating substrate, and producing an electric current in the heating conductor so that a first layer of the substrate and a second layer of the substrate fuse in an area surrounding the heating conductor, to seal an interface between the two layers. A conductor structure is also disclosed, in particular in the form of an implantable electrode lead.

A process for producing an electrical conductor structure that involves embedding at least one metallic conductor track and at least one heating conductor in an electrically insulating substrate, and producing an electric current in the heating conductor so that a first layer of the substrate and a second layer of the substrate fuse in an area surrounding the heating conductor, to seal an interface between the two layers. A conductor structure is also disclosed, in particular in the form of an implantable electrode lead.

Provided is an injection molding method for obtaining an injection molded article using an injection molding machine by means of filling a mold cavity of a mold with a molten copolymer from a nozzle of the injection molding machine, wherein the minimum thickness of the mold cavity is 0.8 mm or less, the total projected area of the mold is 1 cm.sup.2 or more, and the copolymer is a copolymer containing a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, wherein the number of functional groups is 100 or less per 10.sup.6 main-chain carbon atoms of the copolymer.

An optical fiber is a linear radiator uniform in the longer direction thereof, and a lighting device uses the optical fiber. The optical fiber is a lighting fiber having a core and a cladding. In the fiber, as the cladding, there is used a polymer obtained by polymerizing a polymerizing ingredient containing 90% or more by weight of vinylidene fluoride, and the cladding has a crystallinity of 45% to 52%.

A bonding method for bonding an adherend with a high-frequency dielectric heating adhesive sheet is provided. The adherend includes a fluorine-containing surface at least containing fluorine on a surface thereof. The high-frequency dielectric heating adhesive sheet includes a high-frequency dielectric adhesive layer including a thermoplastic resin and a dielectric filler. A surface free energy of the high-frequency dielectric adhesive layer is in a range from 15 mJ/m.sup.2 to 30 mJ/m.sup.2. A melting point of the high-frequency dielectric adhesive layer is in a range from 110 degrees C. to 300 degrees C. The bonding method includes bringing the fluorine-containing surface of the adherend into contact with the high-frequency dielectric adhesive layer and applying a high-frequency wave to the high-frequency dielectric adhesive layer to bond the high-frequency dielectric heating adhesive sheet to the fluorine-containing surface.

A bonding method for bonding an adherend with a high-frequency dielectric heating adhesive sheet is provided. The adherend includes a fluorine-containing surface at least containing fluorine on a surface thereof. The high-frequency dielectric heating adhesive sheet includes a high-frequency dielectric adhesive layer including a thermoplastic resin and a dielectric filler. A surface free energy of the high-frequency dielectric adhesive layer is in a range from 15 mJ/m.sup.2 to 30 mJ/m.sup.2. A melting point of the high-frequency dielectric adhesive layer is in a range from 110 degrees C. to 300 degrees C. The bonding method includes bringing the fluorine-containing surface of the adherend into contact with the high-frequency dielectric adhesive layer and applying a high-frequency wave to the high-frequency dielectric adhesive layer to bond the high-frequency dielectric heating adhesive sheet to the fluorine-containing surface.

Provided are methods for making shaped fluoropolymer by additive processing using fluoropolymer particles, polymerizable binder and extraction with supercritical fluids. Also provided are 3D printable compositions for making shaped fluoropolymer articles and articles comprising a shaped fluoropolymer.

Provided are methods for making shaped fluoropolymer by additive processing using a polymerizable binder. Also are 3D printable compositions for making shaped fluoropolymer articles and articles comprising a shaped fluoropolymer.

Provided are method of producing a shaped fluoropolymer articles. The methods include subjecting a composition comprising a fluoropolymer to additive processing in an additive processing device. Also provided are articles obtained with the methods and 3D-printable compositions.

Described herein is the application of centrifugal spinning to provide a flexible mechanoluminescent material composed of rare earth metal doped fibers. Rare earth metal doped fibers are formed, in one embodiment, by centrifugal spinning.