An apparatus for attachment to a component of a microwave device, includes: a cage; a shield within the cage, wherein the shield is in a form of a container, at least a majority of the shield spaced away from an interior wall of the cage; and a connector at the cage, wherein the connector is configured to connect to a cable connection, and wherein the connector is electrically connected to two terminals within the shield. An apparatus for coupling to an input connection of an electron gun, the input connection having a heater terminal and a cathode terminal, the apparatus comprising: a connector having a first configured to attach to a cable, and a second end configured to connect to the input connection of the electron gun; and wherein the connector comprises an opening configured to receive the heater terminal of the input connection of the electron gun.

There is provided a bonding article comprising: an electrical insulating substrate; a first adhesion layer laminated on one surface of the electrical insulating substrate; and a second adhesion layer laminated on the other surface of the electrical insulating substrate. Both the first adhesion layer and the second adhesion layer include a low-melting-point lead-free glass containing vanadium oxide and tellurium oxide as chemical constituents and having a softening point of 360 C. or lower. And, when contours of the first adhesion layer, the electrical insulating substrate, and the second adhesion layer are projected parallel to one another along the lamination direction, the contour of the first adhesion layer is located inside the contour of the second adhesion layer.

To suppress both influence of electron emission from a cathode side surface and consumption of energy to be supplied to a heater, while being provided with a grid, an electron gun of the present invention includes: a cathode capable of emitting electrons by heating; a grid capable of controlling the electron emission; and a cathode shield which is an conductor including a material portion located in the vicinity of a side surface of the cathode and facing at least a portion of the side surface via a gap or a heat insulating material, and not being made in direct physical coupling nor in direct physical contact with the cathode.

This application provides a display apparatus, including a display panel, including a plurality of image pixels arranged in arrays; and a liquid crystal dimmer panel, disposed on the display panel, where the liquid crystal dimmer panel has a transparent state and a scattering state, and in the transparent state, the liquid crystal dimmer panel allows an image of the image pixel to be directly viewed from the front side, and in the scattering state, the liquid crystal dimmer panel allows a light emitted by the image pixel to be refracted for adjustment.

Disclosed is an electron beam emission device comprising a housing which defines a space in which electron beams are accelerated, and has an opening at the other side thereof through which the electron beams are emitted; a cathode which is disposed at one side in the housing, and emits the electrons; an anode which is positioned in the housing so as to be spaced apart from the cathode toward the other side, and accelerates the electrons emitted from the cathode; and an insulation holder which insulates a portion between the cathode and the housing, and fixes the cathode, wherein the cathode has a surface which faces the anode and is formed concavely to have a gradient, and a rim of the surface of the cathode, which has the gradient, is formed to be rounded.

An improved microelectromechanical device includes an upper plate, a lower plate, and a spacing structure. The upper plate includes a first surface and an opposite second surface. The lower plate is spaced from the upper plate. The lower plate includes a third surface that faces the first surface of the upper plate and a fourth surface that is opposite of the third surface. The lower plate also includes a series of structures disposed with the third surface of the lower plate. The spacing structure is coupled to the upper and lower plate. The spacing structure includes a base portion that is sealed to the first surface of the upper plate and the third surface of the lower plate. The spacing structure further includes a protrusion that extends from the base portion between the upper and lower plates.

An apparatus for attachment to a component of a microwave device, includes: a cage; a shield within the cage, wherein the shield is in a form of a container, at least a majority of the shield spaced away from an interior wall of the cage; and a connector at the cage, wherein the connector is configured to connect to a cable connection, and wherein the connector is electrically connected to two terminals within the shield. An apparatus for coupling to an input connection of an electron gun, the input connection having a heater terminal and a cathode terminal, the apparatus comprising: a connector having a first configured to attach to a cable, and a second end configured to connect to the input connection of the electron gun; and wherein the connector comprises an opening configured to receive the heater terminal of the input connection of the electron gun.

The purpose of the present invention is to provide a charged particle gun using merely an electrostatic lens, said charged particle gun being relatively small and having less aberration, and to provide a field emission-type charged particle gun having high luminance even with a high current. This charged particle gun has: a charged particle source; an acceleration electrode that accelerates charged particles emitted from the charged particle source; a control electrode, which is disposed further toward the charged particle source side than the acceleration electrode, and which has a larger aperture diameter than the aperture diameter of the acceleration electrode; and a control unit that controls, on the basis of a potential applied to the acceleration electrode, a potential to be applied to the control electrode.