摘要:
According to the present invention, a bonding wire comprises: a wire rod made of copper, a copper alloy, copper plated with a dissimilar metal, or a copper alloy plated with a dissimilar metal; and at least one coating layer obtained by coating the wire rod with one species selected from the group consisting of graphene, diamond, diamond-like carbon (DLC), and carbon nanotubes.
摘要:
본 발명의 본딩 와이어는 구리, 구리 합금, 이종 금속이 도금된 구리 또는 이종 금속이 도금된 구리 합금으로 이루어진 선재 및 이 선재를 그라핀, 다이아몬드, DLC(다이아몬드 유사 탄소) 및 탄소나노튜브을 포함하는 그룹으로부터 선택된 1종으로 코팅한 적어도 하나 이상의 코팅층을 포함한다.
摘要:
The present invention was based on the object of providing a ribbon wire with which it is possible to effectively prevent damage to the bonding surfaces during the bonding process and short circuits when the corresponding assemblies are used. According to the invention, this object is achieved by a bonding wire having a wire core made of a first material and a wire sheath which envelops the wire core and is made of a second material, wherein the first material has a first metal and the second material has a second metal and the first metal and the second metal are different, and wherein the bonding wire has a cross-sectional ratio of not more than 0.8.
摘要:
A microelectronic structure includes a first row of contacts (14) and a second row of contacts (24) offset from the first row, so that the first and second rows cooperatively define pairs of contacts. These pairs of contacts include first pairs (30a) and second pairs (30b) arranged in alternating sequence in the row direction. The first pairs are provided with low connectors (32a), whereas the second pairs are provided with high connectors (32b). The high connectors and low connectors have sections vertically offset from one another to reduce mutual impedance between adjacent connectors.
摘要:
Any two segments of a wire bonded on two bond pads at different elevations can be distinguished by a stationary node (or zero-displacement) during its second-mode vibration. In order to boost the natural frequency of such a bond wire to avoid a second-mode resonance occurring at the lowest frequency in the in-plane vibration, a wire can be optimized by connecting two equalized (shortest possible) wire segments to replace a wire consisting of a larger segment and a shorter segment. The purpose is to re-distribute a larger vibration movement in the longer segment with a lower stiffness of an arbitrary bond wire to two smaller equalized segments of an optimized wire to reduce an in-plane vibration to significantly improve the wire natural frequency and reliability in a harsh vibration environment such as over 30 kHz.
摘要:
Probe-based methods are provided for wire bonding and joining of structures. The wire bonds are formed via a meniscus-confined electrodeposition technique. The electrodeposition technique of the invention can also be used for fabricating one or more nano-sized or micro-sized elongated structures. The structures extend at least partially upwards from the surface of a substrate, and may extend fully upward from the substrate surface. Apparatus suitable for use with the electrodeposition technique are also provided.
摘要:
A microelectronic assembly (100) includes a semiconductor chip (110, 1110) having chip contacts (112) exposed at a first face and a substrate (130, 1130) juxtaposed with a face (128, 129) of the chip (110, 1110). A conductive bond element (144) can electrically connect a first chip contact (112) with a first substrate contact (132, 1132) of the substrate, and a second conductive bond element (146) can electrically connect the first chip contact (112, 132) with a second substrate contact. The first bond element (144) can have a first end (244A, 344A) metallurgically joined to the first chip contact (112, 212A) and a second end (244B, 344B) metallurgically joined to the first substrate contact. A first end (246A, 346A) of the second bond element can be metallurgically joined to the first bond element (212A). The second bond element may or may not touch the first chip contact (112, 212A, 1212) or the substrate contact (132, 1132). A third bond element (948) can be joined to ends of first and second bond elements which are joined to substrate contacts or to chip contacts. In one embodiment, a bond element (740) can have a looped connection, having first and second ends (742, 746) joined at a first contact (732A) and a middle portion (744) joined to a second contact (712A).
摘要:
An image or light sensor chip package includes an image or light sensor chip having a non-photosensitive area and a photosensitive area surrounded by the non-photosensitive area. In the photosensitive area, there are light sensors, a layer of optical or color filter array over the light sensors and microlenses over the layer of optical or color filter array. In the non-photosensitive area, there are an adhesive polymer layer and multiple metal structures having a portion in the adhesive polymer layer. A transparent substrate is formed on a top surface of the adhesive polymer layer and over the microlenses. The image or light sensor chip package also includes wirebonded wires or a flexible substrate bonded with the metal structures of the image or light sensor chip.
摘要:
A circuit assembly (34) resistant to high-temperature and high g centrifugal force is disclosed. A printed circuit board (42) is first fabricated from alumina and has conductive traces of said circuit formed thereon by the use of a thick film gold paste. Active and passive components of the circuit assembly are attached to the printed circuit board by means of gold powder diffused under high temperature. Gold wire is used for bonding between the circuit traces and the active components in order to complete the circuit assembly (34). Also, a method for manufacturing a circuit assembly resistant to elevated temperature is disclosed