摘要:
A method of preparing a metal-silicone rubber composite, the method comprising the steps of (i) depositing a layer of gold on a surface of a mold; (ii) depositing a primer layer of a metal on the layer of gold, wherein the metal is selected from aluminum, chromium, titanium, and copper, (iii) applying a radiation-curable silicone composition on the primer layer, (iv) curing the silicone composition with radiation to form a silicone rubber, and (v) removing the silicone rubber from the mold, whereby the layer of gold and the primer layer are transferred to the silicone rubber.
摘要:
In a lead frame board, while a heat radiation wall member formed by a resin having a relatively high thermal conductivity is provided in a low heat-resistance heat generating component mounting region where a low heat-resistance heat generating component is mounted, heat block wall members formed by resins having relatively low thermal conductivities are provided in a high heat-resistance heat generating component mounting region where a high heat-resistance heat generating component is mounted and in a non-heat generating component mounting region where a non-heat generating component is mounted. Thus, heat block is performed between the low heat-resistance heat generating component mounting region and the high heat-resistance heat generating component mounting region and non-heat generating component mounting region, and a heat radiation function is enhanced in the low heat-resistance heat generating component.
摘要:
In a connector with a component built-in, a base member is formed of three-dimensional formation circuit substrate, and has a fitting portion that is to be fitted to a connector of counterpart. Terminals electrically connected to a wiring pattern on a mother board, contacts electrically connected to contacts of the connector of counterpart, and a conductive pattern electrically connected to the electronic component are formed on a surface of the base member. Thus, the conductive pattern can easily be modified depending on application, and it is possible to provide complicated wirings. Furthermore, since the electronic component is mounted on the base member, it is possible to make the connector embed a lot of electronic components, and degrees of freedom of design are increased. Still furthermore, the electronic component can be connected by reflow soldering, so that mounting workability of the electronic component is increased.
摘要:
Method of manufacture of a composite wiring structure for use with at least one semiconductor device, the structure having a first conductive member upon which the semiconductor device can be mounted for electrical connection thereto. A dielectric member, made of ceramic or organo-ceramic composite material, is bonded to the first conductive member and contains embedded therein a conductive network and a thermal distribution network. A second conductive member may be incorporated with the composite wiring structure, with a capacitor electrically connected between the conductive network and the second conductive member. Bonding between the dielectric member and the conductive members may be in the form of a direct covalent bond formed at a temperature insufficient to adversely effect the structural integrity of the conductive network and the thermal distribution network.
摘要:
Method of manufacture of a composite wiring structure for use with at least one semiconductor device, the structure having a first conductive member upon which the semiconductor device can be mounted for electrical connection thereto. A dielectric member, made of ceramic or organo-ceramic composite material, is bonded to the first conductive member and contains embedded therein a conductive network and a thermal distribution network. A second conductive member may be incorporated with the composite wiring structure, with a capacitor electrically connected between the conductive network and the second conductive member. Bonding between the dielectric member and the conductive members may be in the form of a direct covalent bond formed at a temperature insufficient to adversely effect the structural integrity of the conductive network and the thermal distribution network.
摘要:
A method of forming a metallic feature on a substrate, comprising the steps of: providing a stamp having a raised region; depositing catalytic particles on a selected area of the stamp, including the raised region thereof; providing a substrate; applying the stamp to the substrate, such that the raised region of the stamp causes a corresponding indented region in the substrate and at least some of the catalytic particles are transferred to a selected area of the substrate; and plating the selected area of the substrate.
摘要:
The specification describes PDA (SD/MMC) devices and PDA cards wherein the substrate on which the PDA components are mounted comprises two tiers. Components with a high profile are mounted on the lower tier, and devices with normal or low heights are mounted on the upper tier. The upper tier is contained in the portion of the card conforming to, for example, the 1.4 mm SDA standard thickness, while the lower tier is formed in the portion of the card that allows a larger thickness, for example SDA standard thickness 2.1 mm.
摘要:
A Gas bag module for use in a vehicle occupant restraint device has a plastic generator support. On the generator support a printed circuit is formed by metal deposition. For activating an electrical function element, the printed circuit cooperates with a switching element that is arranged on a section of the generator support.
摘要:
An optical transceiver module having a plurality of optical subassemblies and a printed circuit board is disclosed. The transceiver module includes lead frame connectors for connecting the optical subassemblies to the printed circuit board. The lead frame connectors include a stamped and bent conductive lead structure that is encased in an insert injection molded plastic casing. The plastic casing provides electrical insulation for the conductors in the lead frame as well as mechanical support for the finished component. The lead frame connectors connect to the leads associated with the optical subassemblies and are surface mounted onto the printed circuit board to establish connectivity between the optical subassembly and the printed circuit board. The lead frame assemblies are generally more reliable and less expensive than using flexible printed circuit board structures to establish electrical connectivity between optical subassemblies and transceiver printed circuit boards.
摘要:
The present invention provides a light emitting module, comprising: a plurality of thin plate-shaped conductors (2) spaced apart from each other in a first direction; at least one light source (4) connected between at least one pair of adjoining ones of said conductors; and at least one insulating joint member (4) for mechanically joining said plurality of conductors, wherein said at least one insulating joint member exposes both sides of at least a portion of said conductors where said light source is mounted.