Abstract:
A method of making a multilayered, fusion bonded circuit structure. A first circuitry layer is attached to a first major surface of a first LCP substrate. A plurality of first recesses are formed that extend from a second major surface of the first substrate to the first circuitry layer. The first recesses are then plated to form a plurality of first conductive pillars of solid metal that substantially fill the first recesses. A plurality of second recesses are formed in a second LCP substrate corresponding to a plurality of the first conductive pillars. The second recess are plated to form a plurality of second conductive structures that extend between first and second major surfaces of the second substrate. The second major surface of the first substrate is positioned adjacent to the second major surface of the second substrate. The first conductive pillars are aligned with the second conductive structures. The stack is then fusion bonded to mechanically couple the first conductive pillars to the second conductive structures.
Abstract:
An electronic device includes a multilayer circuit board having a non-planar three-dimensional shape defining a membrane switch recess therein. The multilayer circuit board may include at least one liquid crystal polymer (LCP) layer, and at least one electrically conductive pattern layer thereon defining at least one membrane switch electrode adjacent the membrane switch recess to define a membrane switch. The electronic may further include a compressible dielectric material filling the membrane switch recess. The electronic device may also include at least one spring member within the membrane switch recess.
Abstract:
A luminous-body flexible board includes a flexible board (10) including a metal substrate (11) of a bendable plate, an insulating layer (12) of liquid crystal polymer of which one surface is joined directly to the metal substrate (11) and a conductor layer (13) joined to the other surface of the insulating layer (12) and formed in a wiring pattern. The flexible board (10) further has a plurality of cavities (14) dented on a side of the conductor layer (13) and protruded on a side of the metal substrate (11) of the flexible board (10), being arranged in juxtaposition and configured to be mounted a luminous element (31) respectively therein.
Abstract:
An method for building multi-layer circuits without post process via fills is disclosed. The method includes aligning a first contact on a first substrate layer with a second contact on a second substrate layer; and fusion bonding the first contact to the second contact. A multilayer circuit is also disclosed. The multilayer circuit includes a first substrate layer including a first contact. The multilayer circuit also includes a second substrate layer including a second contact that is fusion bonded to the first contact such that the first and second contacts are aligned.
Abstract:
L'invention vise un procédé de réalisation d'une carte imprimée (ClM) comprenant au moins deux couches superposées, métallisées sur leurs deux faces, et au moins une couche intercalaire disposée entre deux couches métallisées successives. On réalise chaque couche intercalaire à l'aide d'un matériau thermoplastique métallisé.
Abstract:
An electronic device includes a multilayer circuit board having a non-planar three-dimensional shape defining a membrane switch recess therein. The multilayer circuit board may include at least one liquid crystal polymer (LCP) layer, and at least one electrically conductive pattern layer thereon defining at least one membrane switch electrode adjacent the membrane switch recess to define a membrane switch. The electronic may further include a compressible dielectric material filling the membrane switch recess. The electronic device may also include at least one spring member within the membrane switch recess.