Abstract:
PURPOSE: A dielectric ceramic composition for a radio frequency is provided to have a radio frequency dielectric characteristic that a quality coefficient is 27,000 to 12,000GHz and a real permittivity is about 40 at 5 to 8 GHz when x is 0.5 in ()Ca(Mg1/2W1/2)O3-CaTiO3. CONSTITUTION: In a dielectric composition for controlling a temperature dependancy of aresonance frequency, the composition consists of a general equation ()Ca(Mg1/2W1/2)O3-CaTiO3 by use of CaCO3, TiO2, MgO and WO3 as a raw material. In the general equation of ()Ca(Mg1/2W1/2)O3-CaTiO3, x is in a range of x is less than or equal 0.3 less than or equal 0.7.
Abstract:
The present invention relates to a method of estimating a quantization table of a video block compressed by a video process. A method according to the present invention includes the following processes: performing a first quantization of a compressed video block by using a table dictionary including a plurality of candidate quantization tables; performing a second quantization of a filtered video block, which is obtained by performing an edge related filtering of the compressed video block, by using the table dictionary; and estimating a quantization table corresponding to the compressed video block based on energy values of the first and second quantized video blocks.
Abstract:
PURPOSE: An implant simulation system using a haptic interface is provided to supply an implant operation experience by providing a physical/virtual implant operation environment which are almost similar to an actual implant operation environment. CONSTITUTION: A haptic device(100) implements a force or haptic for implementing the actual feel of a cure tool, and outputs the signal depending on the mechanical displacement of an operating unit(110), and displaces the operating unit according to the input signal having the information for the reaction force. A display unit(200) outputs the shape models(210,220) for a bone and an operating tool virtually. A controller(300) updates the shape and location information of the shape model outputted to the display unit according to the signal inputted from the haptic device.
Abstract:
PURPOSE: A layer lithography method for a structured ASIC(Application Specific Integrated Circuit), a designing method, a selectively patterned mask set, and a masking mask are provided to reduce manufacturing costs by selecting and arranging a plurality of tiles according to the design property by using the selectively patterned mask and masking mask. CONSTITUTION: M mask sets are made for lithographing a layer of a structured ASIC(S10). N masking masks are made for lithographing the part of mask sets on a wafer according to the previously designed structured ASIC(S20). The part of the first mask set is selectively lithographed on a wafer by using the first mask pair(S40). The part of the second to N-th mask sets is selectively lithographed on the wafer by using the second to N-th mask pairs(S50).
Abstract:
본 발명은 화합물 반도체의 가역 웨이퍼 접합기술에서 열응력 최소화 방법에 관한 것으로, 더욱 상세하게는 웨이퍼 접합기술에서 접합 공정시에 사용되는 각 재료의 물성과 온도 공정 조건에 따른 열응력을 평가하는 간단한 관계식을 제시하고, 디바이스 웨이퍼와 폴리머, 캐리어 웨이퍼에 서로 다른 공정 온도를 가하여 웨이퍼 접합을 실행함으로써 접합된 웨이퍼 구조의 굽힘 모멘트가 최소화하며 그 결과 열응력을 최소화하는 웨이퍼 접합방법을 제공하는 것이다. 이를 위해 웨이퍼 접합기술에 있어서, 접합시킬 복수개의 웨이퍼 및 접합재(2)의 치수 및 물성치를 열응력 계산식에 입력하여 복수개의 최적공정온도를 찾아내는 단계; 상기 제1웨이퍼(3)를 상기 최적공정온도로 가열하는 단계; 상기 제2웨이퍼(1)에 상기 접합재(2)를 도포하는 단계; 상기 제2웨이퍼(1)를 상기 제1웨이퍼(3) 위에 정렬하는 단계; 상기 제2웨이퍼(1)를 상기 최적공정온도로 일정시간 가열가압하여 상기 제1웨이퍼(3)에 접합하는 단계로 이루어지는 것을 특징으로 하는 웨이퍼 접합기술에서 열응력 최소화 방법이 제공된다.
Abstract:
PURPOSE: A method for minimizing thermal stress in a reversible wafer bonding technique of a compound semiconductor is provided to prevent the damage of the compound wafer due to the thermal stress generated from a bonding process by detecting an optimum condition. CONSTITUTION: A plurality of optimum process temperature values are obtained by inputting each size and each material property of the first and the second wafer(3,1) and a bonding material(2) into a thermal stress formula. The first wafer(3) is heated under the optimum temperature. The bonding material(2) is coated on the second wafer(1). The second wafer(1) is aligned on the first wafer(3). The second wafer(1) is bonded on the first wafer(3) by heating the second wafer(1) under the optimum temperature during a constant period of time.
Abstract:
PURPOSE: An image encoding method based on motion vector normalization and an apparatus thereof, and an encoding method of an image and an apparatus thereof are provided to provide a consistent motion vector field as acquiring the motion vector close to actual motion of the object, by acquiring a larger merged block by merging blocks included in the same object, and predicting the motion vector on the basis of the acquired merged block. CONSTITUTION: A motion prediction and compensation part acquires motion vectors of blocks, and merges two adjacent blocks (910,920). The motion prediction and compensation part acquires a motion vector (930). For the merged block, a block merge part acquires variation of motion prediction error prepared for uniformity of the motion vector by the merging (940). On the basis of the acquired variation, the block merge part determines a merged block which has the smallest variation among the merged blocks, and determines whether to merge the blocks included in the determined merged block (950). [Reference numerals] (910) Acquire the motion vectors of blocks; (920) Merge two adjacent blocks and acquire the merged blocks; (930) Acquire the movement vector of the merged blocks; (940) Acquire the variation of motion prediction errors prepared for uniformity of the motion vector based on the motion vector of the merged blocks, the motion vectors of the blocks contained in the merged block, the motion vectors of the blocks around the merged block, and the motion vectors of the blocks around the blocks contained in the merged block; (950) Determine the merged block which has the smallest variation among the merged blocks based on the acquired variation and determine whether to merge the blocks contained in the determined merged block; (AA) Start; (BB) End
Abstract:
PURPOSE: A method for interpolating an image frame and a device thereof are provided to accurately interpolate a small object by obtaining position information of the small object. CONSTITUTION: A motion predicting unit(110) generates a motion vector through motion prediction between a first image frame and a second image frame. A frame interpolating unit(120) interpolates a third image frame between the first and the second image frames based on the generated motion vector. A post-processing unit(130) removes a fault of the interpolated third image frame through the post-processing of the interpolated third image frame. [Reference numerals] (110) Motion predicting unit; (120) Frame interpolating unit; (130) Post-processing unit; (131) Motion direction predicting unit; (132) Object area determining unit; (133) Object interpolating unit; (AA) Original image frame; (BB) Interpolated image frame