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87 results about "Thick line" patented technology

Semiconductor device and manufacturing method thereof

An embodiment of the invention discloses a semiconductor device and a manufacturing method thereof. The manufacturing method includes forming a nitride layer, trenches of a thin line region and trenches of a thick line region are formed on a substrate; forming a first insulation layer on the bottoms and side walls of the formed trenches of the thin line region and the trenches of the thick line region; removing part of or total of the first insulation layer on the trenches of the thin line region only; depositing a second insulating layer to fill the trenches of the thin line region and the trenches of the thick line region; according to chemical mechanical planarization technology, planarizing the second insulation layer outside trenches of the thin line region and the trenches of the thick line region by utilizing the nitride layer as a barrier layer. Since the part of or the total of the first insulation layer at the bottom of the thin trench region is removed in the manufacturing method, deposition rate of the second insulation layer in the thin trench region is increased, difference of the second insulation layer deposited in the thin line region and the thick line region is reduced, and dishing defect caused in the chemical mechanical planarization process is relived or eliminated.
Owner:SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORP

Type-C portable charger capable of reducing common-mode interference and transformer of Type-C portable charger

The invention discloses a Type-C portable charger capable of being automatically produced and reducing common-mode interference, a transformer and a winding method of the Type-C portable charger. The charger comprises the transformer and a winding structure of the transformer, wherein the transformer is in an EE-type structure, of which the effective sectional area of a magnetic core is greater than or equal to 40 square millimeters and which is small in size and low in cost; the winding structure of the transformer comprises a main winding, an auxiliary wining, a shielding winding and a secondary winding; the main winding is divided into a plurality of sub-windings which are connected in parallel and reduce the common-mode interference by reducing a voltage difference between an initial line and a tail line of the main winding; the sub-windings are in a structure that the sub-windings are individually and tightly wound for one layer; two fine lines, of which the sum of the sectional area is equal to the sectional area of a required single thick line and which can be automatically wound by a winding machine, are adopted by the secondary winding for winding; and outgoing lines of the secondary winding are suspended on PINs of a transformer skeleton, and are distributed at the top part and the bottom part of the transformer skeleton respectively, so as to meet the safe specified distance. Procedures and participants are reduced; the time is saved; winding packets are reduced; and the automatic degree is improved.
Owner:江西吉安奥海科技有限公司

Full-automatic double-head 2.5 flat knitting machine

The invention relates to a full--automatic double-head 2.5 flat knitting machine. The full-automatic double-head 2.5 flat knitting machine comprises a rack, machine heads, a machine bridge, a coil holder, a power device, a needle bed machine base, a sensor and a duplex table device. The coil holder, the duplex table device, the machine bridge and the power device are fixedly arranged in the rack. The number of the machine heads is two and the machine heads are installed on the machine bridge. The sensor is installed on the machine heads. The full-automatic double-head 2.5 flat knitting machine is characterized by further comprising pin-arranging board devices, a main roller device, an auxiliary roller device, a sinker device and a triangle device. The number of the pin-arranging board devices is two and the two pin-arranging board devices are mutually installed on the needle bed machine base in a symmetrical mode. The two machine heads are respectively connected with the two pin-arranging board devices. The sinker device and the triangle device are installed in the machine heads. The main roller device is fixed in the needle bed machine base and the auxiliary roller device is installed at the lower end of the rack. The full--automatic double-head 2.5 flat knitting machine is reasonable in structure and each large device is tightly matched in sequence when the whole machine is operated. Technical processing of the full--automatic double-head 2.5 knitting thick line type process weaving jacquard art weave cable is achieved.
Owner:TONGLU YONGSHENG KNITTING MACHINERY

Tambour needle used for thick line and embroidery method thereof

The invention relates to an embroidery needle for thick lines and a method for embroidering, which relates to an embroidering requisite and a embroidering method, the diameter of an inner cavity of a needle body of the embroidery needle is 1mm-3mm, a round needle hole is opened on the needle body wall on a needle point, an adjusting tube is sleeved on the needle body, and a handle is a through cavity structure. The process comprises firstly, leading the embroidery needle which is threaded with a line to be punched in an awaiting embroidery cloth, secondly, vertically pulling out the embroidery needle when the adjusting tube on the embroidery needle which is punched contacts with embroidery surface, thirdly, vertically punching a second needle at the needle hole with the diameter of the needle to be a distance with the same method, and reciprocating to complete such embroidery, fourth, adhering a bonding fabric which is provided with hot melt adhesive on the embroidery face, and then adopting a flat iron or a heating press to press and adhere, fifth, crispening and sewing cloth which is chosen. The process adopts thick lines which are matched with the cloth to embroider, which solves the difficult problem that thick lines can not be adopted to do hand embroidery.
Owner:夏芬
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