National Center for Advanced Packaging Co., Ltd

Jiangsu Hecheng Display Technology Co., Ltd.

National Center for Advanced Package

Wenqi Zhang

Wenming Han

Wenyang Ma

Daniel Guidotti

Haiyun Xue

Haibin Xu

Panpan Wang

Zhaoyuan Chen

Liwei Wang

Tingyu Lin

Feng Chen

Haiyang Gu

Heng Yang

Chongshen Song

Chuanguo Dou

Liqiang Cao

Wen Yin

A liquid crystal composition contains: at least one compound of general formula I and at least one polymerizable compound of general formula II. Such a liquid crystal composition has a suitable optical anisotropy, a suitable dielectric anisotropy, and a better pretilt angle consistency while maintaining a relatively high clearing point, and the drop mura is good. When the liquid crystal composition is applied to a PSA liquid crystal display, the liquid crystal composition has an excellent display effect. 

Liquid crystal composition and use thereof

The present invention relates to a millimeter wave radar component package, comprising: a box cover, having a metal layer arranged on inner surface of the box cover, the metal layer facing a channel of a box body, wherein a cavity is formed between the box cover and the box body; and the box body, comprising: a first insulator, connected with the box cover, wherein in the first insulator a channel is opened, and one end of the channel corresponds with the position of antenna and the other end is connected with the cavity; one or more chips, arranged on a second insulator in a flip manner and covered by the first insulator; the second insulator, arranged between the first insulator and a third insulator; the third insulator; and the antenna and conductive lines, arranged in the third insulator and connected with pads of the one or more chips through the second insulator, wherein the conductive lines are exposed from the third insulator for electrical contact. The present invention further relates to a method for manufacturing the package.

Radar component package and method for manufacturing the same

A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices. 

Compound, liquid crystal composition and photoelectric display device thereof

The present invention discloses a stress sensor structure and a manufacturing method thereof, wherein the stress sensor structure comprises: a substrate; a blind-hole, provided on a first surface of the substrate; a first piezoresistive layer and a second piezoresistive layer, formed by material with piezoresistive effect, provided on a lateral wall of the blind-hole and interconnected at bottom portions of the layers; a second insulating layer, provided between the first piezoresistive layer and the second piezoresistive layer; a first electrode, provided on the first surface of the substrate and connected to the first piezoresistive layer; a second electrode, provided on the first surface of the substrate and connected to the second piezoresistive layer. The resistance measured by applying an external voltage between the first electrode and the second electrode can be used to indicator a stress of the TSV structure, in particular an axial stress thereof, so that the stress sensor can be used to measure a stress of the TSV structure.

Stress sensor structure and a manufacturing method thereof

The present invention discloses a liquid crystal composition and a display device containing the same. The liquid crystal composition comprises one or more compounds of general Formula I; one or more compounds of general Formula II; and one or more compounds of general Formula III. The liquid crystal composition provided in the present invention has the properties of large optical and dielectric anisotropies, high clearing point, fast response speed, high resistivity, and good high-temperature and UV stability, and is applicable to a liquid crystal display (LCD), and particularly an LCD display requiring fast response speed, such that a good display effect of images without ghosting can be achieved when the LCD display works in a harsh environment. 

Liquid crystal composition and display device thereof

An optical communication apparatus comprises a laser, a laser driver chip, a photodetector, an amplifier chip, an assembling plate and at least two I/O interfaces. The laser, the laser driver chip, the photodetector and the amplifier chip are disposed on the assembling plate. The laser is connected to the laser driver chip via transmission lines and the photodetector is connected to the amplifier chip via transmission lines. A plurality of conducting vias are formed in the assembling plate, the laser driver chip and the amplifier chip are respectively connected to different I/O interfaces via electrical transmission lines passing through the conducting vias. The laser is connected to an optical fiber to transmit optical signals, and the photodetector is connected to another optical fiber to receive optical signals. A method of assembling such an optical communication apparatus is also provided.

Optical communication apparatus and method of assembling the same

An optical fiber assembly and a method of assembly thereof. The optical fiber assembly includes a support plate defining an array of support plate through holes, and an alignment template plate defining an array of alignment template plate through holes. At least one support plate through hole or alignment template plate through hole may be flared. At least one support plate through hole or alignment template plate through hole may include a compliant film.

Oblique angle optical fiber assembly

Techniques for fabricating fine-pitch micro-bumps are disclosed. According to one embodiment, a fabrication process may comprise the following steps: depositing a dielectric layer on a wafer; forming a pattern of through holes in the dielectric layer; depositing a seed metal layer on top of the dielectric layer and inside the through holes; depositing a layer of UBM metal on top of the seed metal layer (including inside the holes), and further filling the holes with a low melting point metal; performing chemical mechanical polishing (CMP) to remove conductive material(s) outside the holes and/or on the surface of the dielectric layer, such that the metal stacks of adjacent holes are insulated by the dielectric material between them; and etching the dielectric material surrounding the holes to cause the tip of the metal stacks to extend slightly higher than the surrounding dielectric surface, thereby forming fine-pitch micro-bumps.

Techniques for fabricating fine-pitch micro-bumps

A TSV exposing process is provided, including: performing a mechanical grinding process on the substrate back surface of a substrate with a TSV conductive column, a liner between the substrate and the TSV conductive column; performing a first and a second chemical mechanical polishing process on the grinded substrate back surface; then performing an etching on the substrate back surface, and making the TSV backside reveal more than 10 &#x3bc;m.

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Wuxi, China

Wenqi Zhang