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143 results about "Process patterns" patented technology

Process patterns can be defined as the set of activities, actions, work tasks or work products and similar related behaviour followed in a software development life cycle. Process patterns can be more easily understood by dividing it into terms, Process which means the steps followed to achieve a task and patterns which means the recurrence of same basic features during the lifecycle of a process. Thus in a more universal term process patterns are common or general solution for a complexity.

Double-workbench drive laser processing machine and processing method thereof

The invention provides a double-workbench drive laser processing machine and a processing method thereof, and relates to the technical field of laser precision processing equipment. The double-workbench drive laser processing machine is provided with a first workbench, a second workbench, a laser beam transfer device (LBDS), a vacuum adsorption chuck and an image acquisition device. The processing method comprises the following steps: carrying out P1 non-contraposition and P2 contraposition on the basis of a unified affine transformation model; mapping a workpiece coordinate space to a processing coordinate space, i.e. a first workbench processing coordinate and a second workbench processing coordinate; and transferring a CAD data pattern to the workpiece, thereby controlling a feature position error of the processed pattern within an ideal accuracy range. By using the invention, the working efficiency of the P1 procedure can be effectively enhanced and the problem of automatic visual contraposition accuracy caused by workpiece deformation in the P2 procedure can be effectively solved, thereby reducing the cost and enhancing the productive capacity. The invention has the advantages of simple structure, and unique principle and method. The invention is especially suitable to be used on a large-scale LTCC/HTCC production line of processing technology.
Owner:THE 45TH RES INST OF CETC

Method for processing patterns in blind slot of printed circuit board

ActiveCN103079350AMeet design and assembly performance requirementsImprove pass rateConductive material chemical/electrolytical removalCopper platingProcess patterns
The invention discloses a method for processing patterns in a blind slot of a printed circuit board. The method comprises the following steps of drilling a hole in the printed circuit board; forming an inner copper layer on the printed circuit board; milling the blind slot with controlled depth on the printed circuit board; exposing the inner copper layer at the bottom of the blind slot; carrying out electroless copper plating on the printed circuit board, wherein the electroless copper plating areas comprise the bottom and the side walls of the blind slot; plating gold on the surface of the printed circuit board, wherein the gold plating area comprises the bottom of the blind slot; using an ultraviolet ray to burn the gold on the area to be isolated at the bottom of the blind slot, and exposing the copper surface; and corroding the exposed copper on the area to be isolated at the bottom of the blind slot, so as to form a circuit pattern at the bottom of the blind slot. The method disclosed by the embodiment of the invention has the advantages that the metallizing of the side wall of the blind slot is realized, the metallic through hole and the circuit pattern are manufactured at the bottom of the blind slot, and the qualified rate of the pattern is improved.
Owner:GCI SCI & TECH

Manufacturing method of pattern ring of segmented mold of radial tyre

The invention discloses a manufacturing method of a pattern ring of a segmented mold of a radial tyre. The manufacturing method comprises the following steps of: performing a CAD design on the pattern ring, establishing a 3D model of the pattern ring, then dividing the 3D model into corresponding single pattern blocks according to requirements, and simultaneously customizing a pattern ring blank, finishing preliminary works such as rough machining, heat treatment, reference plane machining and the like of the pattern ring; configuring a plurality of machine tools and completing the preparation work before production; establishing part processing cutter tracks required by each machine tool, generating semi-finishing, finishing and corner cleaning procedures of each pattern block according to the configured condition of the machine tools, and establishing a procedure list; executing the processing procedures according to a procedure list sequence; and assembling and debugging the plurality of processed pattern blocks. The manufacturing method has the advantages of simple process, difficult generation of thermal deformation on a workpiece during production, short production cycle, high production efficiency and high accuracy, and ensures the assembly accuracy of the a tyre mold.
Owner:山东金利轮胎装备有限公司

Two-board-in-one processing method for substrate manufacture of printed circuit board or integrated circuit package

Disclosed is a method for combining two plates in the fabrication process of an enclosure baseplate of a printed circuit or an integrated circuit. The method includes the following steps: splicing two chip plates through a bonding sheet so as to make a machining plate which is big in thickness, higher in rigidity and can satisfy common equipment machining requirements; processing pattern transfer to the spliced machining plate and developing a necessary circuit diagram of a conductor on the surface of the machining plate; developing an insulating medium layer and a conducting copper layer on the surface of the newly developed circuit diagram of the conductor through the method of lamination; repeating above processes so as to form a multilayer machining plate; separating the machining plate at two sides of the splicing sheet from the splicing sheet after the machining plate reaches certain thickness and rigidity, thus forming two machining plates; and respectively processing the two machining plates through regular lamination, boring, electroplating and pattern transfer techniques until the necessary circuit board and the enclosure baseplate are finished. The method requires no special equipment or machining tools and can reduce cost by a large margin and improve production efficiency and yield.
Owner:SHANGHAI MEADVILLE SCI & TECH +2

Method for preparing periodic nanostructure with high aspect ratio

The invention discloses a method for preparing a periodic nanostructure with high aspect ratio. The method is characterized by comprising the following steps of: selecting a polished substrate; coating a layer of photoresist with the thickness of greater than or equal to 300 nm on the surface of the polished substrate by a spin-coating method; depositing a SiO2 film with the thickness of 20 nm on the surface of the photoresist by a magnetron sputtering method; coating a layer of high-resolution photoresist with the thickness of 50 to 100 nm on the surface of the SiO2 film by the spin-coating method; exposing and developing the surface high-resolution photoresist by utilizing laser interference photolithography; hardening the three-layer adhesive structure in a heating plate or a baking oven; selecting a fluorine-base gas; transferring a surface photoresist pattern to the SiO2 layer by utilizing reactive ion etching; selecting and using oxygen; taking the SiO2 layer as a hard mask layer; and transferring a pattern on the SiO2 layer to the bottom photoresist by utilizing the reactive ion etching to obtain a photoresist pattern with high resolution and high aspect ratio. The method has low cost, large area of processed pattern area, and a broad application prospect in the aspects of the manufacturing and the application research of sub-wavelength gratings and photonic crystals.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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