Methods and apparatus are provided for a high voltage capacitor having a plurality of capacitor units connected in electrical series in a stacked configuration. An insulator element can be positioned between two adjacent capacitor units of the high voltage capacitor for providing separation between the adjacent capacitor units, where the insulator element has a first thickness at a first end of the insulator element and a second smaller thickness at a second end of the insulator element. The insulator element can have a wedge-shaped cross section.

Methods and apparatus are provided for a high voltage capacitor having a plurality of capacitor units connected in electrical series in a stacked configuration. An insulator element can be positioned between two adjacent capacitor units of the high voltage capacitor for providing separation between the adjacent capacitor units, where the insulator element has a first thickness at a first end of the insulator element and a second smaller thickness at a second end of the insulator element. The insulator element can have a wedge-shaped cross section.

A shielded cable includes two signal wires, each of which having a signal conductor covered with an insulator, and a shield conductor having a metal clad resin tape spirally wrapped around the two signal wires in a lump. The insulator is configured so that a section thereof is to be deformable by an external force. A residual diameter ratio of the signal wire is 80% or greater and 95% or less when load of 1 kg is applied to the signal wire for 30 minutes.

A shielded cable includes two signal wires, each of which having a signal conductor covered with an insulator, and a shield conductor having a metal clad resin tape spirally wrapped around the two signal wires in a lump. The insulator is configured so that a section thereof is to be deformable by an external force. A residual diameter ratio of the signal wire is 80% or greater and 95% or less when load of 1 kg is applied to the signal wire for 30 minutes.

The disclosure relates to a method for manufacturing a transfer film including an electrode layer, the method comprising: an electrode layer formation step of forming an electrode layer on a carrier member by using a conductive material; a placement step of placing the carrier member on at least one side of an insulating resin layer respectively; a bonding step of bonding the carrier member and the insulating resin layer together by applying pressure thereto; and a transfer step of removing the carrier member to transfer the electrode layer on the insulating resin layer.

Aspects of the current subject matter relate to methods and system for protecting a battery cell and/or a /pack of multiple battery cells serving as a power source of a vaporizer device from developing a short-circuit in a vaporizer device. In one aspect, a vaporizer device is provided. The vaporizer device may include a power source including a battery and a power source lead extending outward from a distal end of the battery. The vaporizer device may further include a printed circuit board (PCB) electrically coupled to the power source via the power source lead extending outward from the battery. The vaporizer device may further include an insulator at least partially surrounding the power source lead. The insulator may be mechanically coupled to at least one of the power source and the PCB.

The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising the same, and a coating material comprising the same, which provides a polyamic acid composition capable of implementing a low permittivity and heat resistance, and insulation properties, adhesion and mechanical properties in a harsh condition such as a high temperature simultaneously, a method for preparing the polyamic acid composition, a polyimide comprising the same and a coating material comprising the same.

The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising the same, and a coating material comprising the same, which provides a polyamic acid composition capable of implementing a low permittivity and heat resistance, and insulation properties, adhesion and mechanical properties in a harsh condition such as a high temperature simultaneously, a method for preparing the polyamic acid composition, a polyimide comprising the same and a coating material comprising the same.

The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising the same, and a coating material comprising the same, which provides a polyamic acid composition capable of implementing a low permittivity and heat resistance, and insulation properties and mechanical properties in a harsh condition such as a high temperature simultaneously, a method for preparing the polyamic acid composition, a polyimide comprising the same and a coating material comprising the same.

The present application relates to a polyamic acid composition, a method for preparing the polyamic acid composition, a polyimide comprising the same, and a coating material comprising the same, which provides a polyamic acid composition capable of implementing a low permittivity and heat resistance, and insulation properties and mechanical properties in a harsh condition such as a high temperature simultaneously, a method for preparing the polyamic acid composition, a polyimide comprising the same and a coating material comprising the same.