Abstract: A phase shifter, an electrically regulated antenna, a network device, and a phase shifter manufacturing method are provided. The phase shifter includes: a shielding member, and an adjustable dielectric layer provided in a shielding space formed by the shielding member; the adjustable dielectric layer includes a line layer and a dielectric member. The line layer includes a feed circuit and an empty slot arranged corresponding to the feed circuit and used to form an air strip line. The dielectric member is inserted into the empty slot, and a dielectric constant of the feed circuit is changed by controlling a depth of the dielectric member inserted into the empty slot.

Abstract: The disclosure provides in some embodiments a method for fabricating a photoresist pattern, a color filter and a method for fabricating the same, and a display device. The method for fabricating a photoresist pattern includes coating negative photoresist on a base substrate to form a first photoresist layer, coating positive photoresist on the first photoresist layer to form a second photoresist layer, conducting a first exposure process on first regions of the second photoresist layer, conducting a first developing process to remove the positive photoresist within the first regions of the second photoresist layer and the negative photoresist within second regions of the first photoresist layer, so as to obtain a first photoresist pattern and a second photoresist pattern, conducting a second exposure process on the first photoresist pattern and the second photoresist pattern, and conducting a second developing process to remove the first photoresist pattern.

Abstract: A dielectric resonator includes: two dielectric resonant cylinders and a metal cavity, wherein the dielectric resonant cylinders are located within the metal cavity; and it also includes: a fastener and a connector, wherein bottoms of the dielectric resonant cylinders are connected via the connector to form a U-shaped structure, and the connector is fixed on the metal cavity via the fastener. With the dielectric resonator of the embodiments of the present invention, a good close contact between the dielectric resonant cylinders and the metal cavity can be guaranteed, thereby improving the resonant performance of the dielectric resonator.

Abstract: A method for implementing a TM dielectric resonator is provided, which includes: a dielectric resonant column component with a metal connecting plate is machined; a metal cavity with an opening at one end is machined; the metal connection plate of the dielectric resonant column component is fastened to the inner wall of the metal cavity by a screw; the opening of the metal cavity is covered with a prefabricated cover plate; and a prefabricated tuning screw is screwed from the cover plate into the metal cavity.

Abstract: Disclosed is a radio frequency unit, including a power amplification module, a filtering module and a signal connector; where one end of the signal connector is connected to the filtering module, and the other end is connected to the power amplification module; the power amplification module is provided with a power amplification connector; a guide structure for guiding the power amplification connector to be coaxially aligned with the signal connector is formed on one end of the signal connector connected with the power amplification module; and through the guide structure, the power amplification connector is coaxially connected with the signal connector.

Abstract: The disclosure provides in some embodiments a method for fabricating a photoresist pattern, a color filter and a method for fabricating the same, and a display device. The method for fabricating a photoresist pattern includes coating negative photoresist on a base substrate to form a first photoresist layer, coating positive photoresist on the first photoresist layer to form a second photoresist layer, conducting a first exposure process on first regions of the second photoresist layer, conducting a first developing process to remove the positive photoresist within the first regions of the second photoresist layer and the negative photoresist within second regions of the first photoresist layer, so as to obtain a first photoresist pattern and a second photoresist pattern, conducting a second exposure process on the first photoresist pattern and the second photoresist pattern, and conducting a second developing process to remove the first photoresist pattern.

Abstract: The dielectric resonator includes a sealing cover, a dielectric resonant column, a metal cavity, and an electrically-conductive elastic structure body. The dielectric resonant column is located within the metal cavity, wherein the sealing cover is connected to an upper surface of the dielectric resonant column. The sealing cover is located at the upper end face of the metal cavity and is configured to seal the metal cavity. The metal cavity is provided with a groove at the bottom. The electrically-conductive elastic structure body is located within the groove and is configured to support the dielectric resonant column. The depth of the groove causes a lower surface of the dielectric resonant column to be lower than an inner bottom surface of the metal cavity after the sealing cover seals the metal cavity. A lower end face of the dielectric resonant column is in contact with the electrically-conductive elastic structure body.

Abstract: A filter cover plate, a filter and a machining method for the filter cover plate are described. A flanged threaded through-hole used for installing a tuning screw is provided on the filter cover plate. The flanged threaded through-hole has has a certain depth, and the thickness of other places on the cover plate is relatively thinner than the depth of the flanged threaded through-hole.

Abstract: A dielectric resonator includes: two dielectric resonant cylinders and a metal cavity, wherein the dielectric resonant cylinders are located within the metal cavity; and it also includes: a fastener and a connector, wherein bottoms of the dielectric resonant cylinders are connected via the connector to form a U-shaped structure, and the connector is fixed on the metal cavity via the fastener. With the dielectric resonator of the embodiments of the present invention, a good close contact between the dielectric resonant cylinders and the metal cavity can be guaranteed, thereby improving the resonant performance of the dielectric resonator.

Abstract: A method for implementing a TM dielectric resonator is provided, which includes: a dielectric resonant column component with a metal connecting plate is machined; a metal cavity with an opening at one end is machined; the metal connection plate of the dielectric resonant column component is fastened to the inner wall of the metal cavity by a screw; the opening of the metal cavity is covered with a prefabricated cover plate; and a prefabricated tuning screw is screwed from the cover plate into the metal cavity.

Abstract: The dielectric resonator includes a sealing cover, a dielectric resonant column, a metal cavity, and an electrically-conductive elastic structure body. The dielectric resonant column is located within the metal cavity, wherein the sealing cover is connected to an upper surface of the dielectric resonant column. The sealing cover is located at the upper end face of the metal cavity and is configured to seal the metal cavity. The metal cavity is provided with a groove at the bottom. The electrically-conductive elastic structure body is located within the groove and is configured to support the dielectric resonant column. The depth of the groove causes a lower surface of the dielectric resonant column to be lower than an inner bottom surface of the metal cavity after the sealing cover seals the metal cavity. A lower end face of the dielectric resonant column is in contact with the electrically-conductive elastic structure body.