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470 results about "Thin film circuits" patented technology

Thin film surface mount components

Surface mount components and related methods of manufacture involve one or more thin film circuits provided between first and second insulating substrates. The thin film circuits may include one or more passive components, including resistors, capacitors, inductors, arrays of one or more passive components, networks or filters of multiple passive components. Such thin film circuit(s) can be sandwiched between first and second insulating substrates with internal conductive pads being exposed between the substrates on end and / or side surfaces of the surface mount component. The exposed conductive pads are then electrically connected to external terminations. The external terminations may include a variety of different materials, including at least one layer of conductive polymer and may be formed as termination stripes, end caps or the like. Optional shield layers may also be provided on top and / or bottom device surfaces to protect the surface mount components from signal interference. For embodiments where one or more thin film circuits are provided between insulating base and cover substrates, such thin film circuit(s) can be formed with conductive pads that extend to and are initially exposed along one or more surfaces of the resultant component. The cover substrate is formed with a plurality of conductive elements (e.g., internal active electrodes, internal anchor electrodes and / or external anchor electrodes) that are designed to generally align with the conductive pads formed on the base substrate such that conductive element portions are exposed in groups along one or more peripheral surfaces of a device. External plated terminations are then formed directly to the exposed portions of the conductive elements.
Owner:KYOCERA AVX COMPONENTS CORP

Keyboard preventable keycaps from breaking off

InactiveUS8791378B2Effectively prevent the keycap from breaking offStable and efficient and durable to useEmergency actuatorsContact mechanismsMiniaturizationMechanical engineering
The present invention provides a keyboard preventable keycaps from breaking off, which comprises a keyboard main body, and a limit board fixed to the keyboard main body. The keyboard main body comprises a base board, a thin film circuit board mounted on the base board, an elastic body mounted above the thin film circuit board, a scissors structure, and a keycap. The center of the scissors structure is provided with a hollow part. The elastic body is located above the thin film circuit board and in the hollow part at the center of the scissors structure. The keycap is located on the elastic body. The scissors structure is mounted to the keycap and passes through the thin film circuit board to be moveably mounted to the base board. The keycap comprises a top surface and side surfaces connected with the top surface, and the side surface is provided with a locking part extending outwards therefrom. The limit board is provided with a plurality of openings corresponding to keycaps, the keycaps pass through the openings, and the limit board covers the locking parts. The present invention can effectively prevent the keycap from breaking off under an external force. Furthermore, the present invention has a certain dustproof function, has more stable keycaps, is efficient and durable to use, and facilitates miniaturization of the keyboard.
Owner:SHENZHEN DOKING TECH CO LTD

Thin film circuit device, manufacturing method thereof, electro-optical apparatus, and electronic system

To provide a thin film circuit device in which a three-dimensional circuit structure is realized, a thin film circuit device is formed of a first thin film circuit layer and a second thin film circuit layer laminated to each other. The first thin film circuit layer contains a first thin film circuit provided between an underlayer and a protective layer and a lower connection electrode connected to the first thin film circuit and exposed at a part of the bottom surface of the underlayer. The second thin film circuit layer contains a second thin film circuit provided between an underlayer and a protective layer, an upper connection electrode connected to the second thin film circuit and exposed at a part of the top surface of the protective layer, and a lower connection electrode connected to the second thin film circuit and exposed at a part of the bottom surface of the underlayer. The first and the second thin film circuits are bonded to each other so that the lower connection electrode of the first thin film circuit layer is electrically connected to the upper electrode of the second thin film circuit layer.
Owner:SEIKO EPSON CORP

Method for making rectangular deep cut-off ultra-narrow band pass filter

The invention provides a method for making deep cut-off ultra-narrow band pass filter. By adopting the method, the effective area and the cut-off of the bandpass filter can be obviously improved and error negative effects can be effectively controlled. The method comprises the following steps of: 1, determining a theoretical film, selecting Ta2O5 as a high-reflectivity material and SiO2 as a low-reflectivity material on the basis of a typical film structure of a multi-cavity optical filter, respectively defining H and L to be the unit optical thickness of the Ta2O5 and the SiO2 on lambda fourth by taking lambda as an operating wavelength of the optical filter, and determining the film structure of the optical filter by using film design software thin film circuit (TFC) Calc on a computer according to performance parameters required by the ultra-narrow band pass filter; 2, making a template control file for automatic control of a coating machine by using the full-automatic coating machine according to the obtained theoretical film structure; and 3, loading selected coating materials in the coating machine and automatically completing the making of the optical filter through a control mode of eccentric monitoring by the coating machine according to a selected template.
Owner:SOUTH WEST INST OF TECHN PHYSICS

Semiconductor device and manufacturing method thereof, electro optic device, liquid crystal display device, electronics device

The present invention aims to manufacture a large size semiconductor device with the inter-substrate transcription technology of thin film circuits. Enlargement is enabled by disposing a plurality of second substrates (21) in a tile shape. As the second substrate (21), a print substrate or flexible print circuit having double-sided wiring or multilayer wiring is employed. The plurality of second substrates (21) is driven independently, and the plurality of second substrates (21) is made to mutually overlap, and a drive circuit (23) is disposed at such overlapping portion. Moreover, the plurality of second substrates (21) is made to mutually overlap, and the mutual circuits are connected at such overlapping portion.
Owner:SAMSUNG ELECTRONICS CO LTD

Keyboard key and keyboard

InactiveCN105206456ADoes not cause hand feeling deviationLow costEmergency actuatorsElectric switchesKey pressingElastic component
The invention provides a keyboard key which can provide good hand feeling. The keyboard key comprises a key cap, a base, a thin-film circuit board, an elastic component and a contact piece, and is characterized in that one end of the elastic component is arranged on the base, and the other end of the elastic component is suspended in the air; the contact piece is arranged on the elastic component; when the keyboard key stays at a free state, the key cap is located at a first position, and a first distance is reserved between the contact piece and the thin-film circuit board; when the key cap moves towards the base from the first position along a first direction, the keycap is pressed against the elastic component until the key cap moves to a second position, and the contact piece is pressed against the thin-film circuit board; and when the key cap continues to move towards the base along the first direction from the second position, the key cap continues to be pressed against the elastic component and further enables the contact piece to have elastic deformation in the first direction until the key cap moves to a third position, and the contact piece continues to be pressed against the thin-film circuit board in the process of moving from the second position to the third position of the key cap.
Owner:DARFON ELECTRONICS (SUZHOU) CO LTD
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