Patents by Inventor Fuh-Yu Chang

Fuh-Yu Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8978737
    Abstract: The present invention discloses a molding system, more particularly, a shrinking type molding system comprising an outer mold, an inner mold and a first pattern layer. An adjustable gap is formed between the outer mold and the inner mold to contain a work piece therein. Furthermore, the work piece with a pattern structure on the surface thereof can be formed by the first pattern layer. The difference between the present invention and the prior art is that the molding system of the present invention is capable of optionally or simultaneously forming the pattern structure on the inner surface or the outer surface of the work piece, so as to solve the long last problem that not all the surfaces of the work piece could have the pattern structure thereon in the prior art.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: March 17, 2015
    Inventors: Fuh-Yu Chang, Ping-Tun Teng
  • Patent number: 8965762
    Abstract: A method is disclosed in the present disclosure for recognizing emotion by setting different weights to at least of two kinds of unknown information, such as image and audio information, based on their recognition reliability respectively. The weights are determined by the distance between test data and hyperplane and the standard deviation of training data and normalized by the mean distance between training data and hyperplane, representing the classification reliability of different information. The method recognizes the emotion according to the unidentified information having higher weights while the at least two kinds of unidentified information have different result classified by the hyperplane and correcting wrong classification result of the other unidentified information so as to raise the accuracy while emotion recognition. Meanwhile, the present disclosure also provides a learning step with a characteristic of higher learning speed through an algorithm of iteration.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: February 24, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Kai-Tai Song, Meng-Ju Han, Jing-Huai Hsu, Jung-Wei Hong, Fuh-Yu Chang
  • Patent number: 8942939
    Abstract: The invention discloses a real-time detection system for detecting the real-time machining by a rotating machine or rotating quality thereof. The real-time detection system comprises a signal capture module, a preprocessor, a processor and a comparison module. The signal capture module is used to capture a time-sequence signal of the rotating machine. The preprocessor is coupled to the signal capture module for receiving the time-sequence signal and generating a stationary time-sequence signal. The processor is coupled to the preprocessor for receiving the stationary time-sequence signal and calculating a plurality of entropies of the stationary time-sequence signal. The comparison module with an entropy table or a feature judgment mechanism of the entropy variation is coupled to the processor for receiving the plurality of entropy and comparing the plurality of entropy according to the entropy table or the feature judgment of the entropy variation and generating a quality signal.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: January 27, 2015
    Assignee: National Taiwan University of Science and Technology
    Inventors: Jia Wang, Fuh-Yu Chang
  • Publication number: 20140350433
    Abstract: A pressure measuring device for measuring the internal pressure of the affected part under the fixing member includes a plurality of flexible pressure meters (or called as manometers) and a processor connected to each of the flexible pressure meters. The flexible pressure meters are configured at the inner surface of the fixing member and pasted on the affected part to measure the surface pressure of the affected part, and generate measuring signals according to the measured pressure. The processor is capable of receiving the measuring signals and displaying the surface pressure of the affected part according to the measuring signals, furthermore, by analyzing the measuring signals, the internal pressure corresponded to each of the compartments of the affected part can be found. Accordingly, the pressure measuring device assists to judge if compartment syndrome occurs in the affected part.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 27, 2014
    Inventors: Fuh-Yu Chang, Chieh-Hsiao Chen
  • Publication number: 20140138881
    Abstract: The present invention discloses a gas assisted imprint system and the manufacturing method thereof. More specifically, instead of utilizing a rigid platform to, the gas assisted imprint system and the manufacturing method of the present invention utilizes a film to support the work-piece so as to evenly apply a force to the surface by the deformation caused by pressurized gas. More specifically, one of the main features of the present invention is that the present invention utilizes two films to cover the surfaces of a work-piece and applies a force evenly thereto by deforming the films by high pressure fluid. Accordingly, the present invention is capable of pressing the irregular surface of the work-piece evenly, solving the long lasted problem of the prior art.
    Type: Application
    Filed: May 28, 2013
    Publication date: May 22, 2014
    Applicant: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Fuh-Yu Chang, Ping-Tun Teng
  • Publication number: 20140106020
    Abstract: The present invention discloses a molding system, more particularly, a shrinking type molding system comprising an outer mold, an inner mold and a first pattern layer. An adjustable gap is formed between the outer mold and the inner mold to contain a work piece therein. Furthermore, the work piece with a pattern structure on the surface thereof can be formed by the first pattern layer. The difference between the present invention and the prior art is that the molding system of the present invention is capable of optionally or simultaneously forming the pattern structure on the inner surface or the outer surface of the work piece, so as to solve the long last problem that not all the surfaces of the work piece could have the pattern structure thereon in the prior art.
    Type: Application
    Filed: April 18, 2013
    Publication date: April 17, 2014
    Applicant: National Taiwan University of Science and Technology
    Inventors: Fuh-Yu Chang, Ping-Tun Teng
  • Patent number: 8662879
    Abstract: The invention discloses a mold performing in the micro/nano imprint fabricating process, wherein the mold is utilized to imprint a pattern on a substrate via a material layer. The mold comprises an upper surface, a lower surface, a pre-determined structure and an overflow controlling device. The upper surface and the lower surface are corresponded to each other. The pre-determined structure is disposed on the lower surface of the mold. The overflow controlling device is utilized to maintain the pressure among the material layer and the substrate.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: March 4, 2014
    Assignee: National Taiwan University of Science and Technology
    Inventor: Fuh-Yu Chang
  • Publication number: 20120253449
    Abstract: The present invention discloses a stent for supporting a sidewall of a lumen which contains a first fluid. The stent comprises a stent body, a film and a photosensitizing layer. The stent body is disposed inside the lumen. The film is adapted to be penetrated by a light and covers the stent body. The photosensitizing layer is disposed on an outer surface of the film for receiving the light to generate a first object, and the film separates the photosensitizing layer and the first fluid. The film and the photosensitizing layer of the present invention can greatly reduce the needed dosage of the photosensitizer while maintaining the effective concentration of the photosensitizer around tumor cells.
    Type: Application
    Filed: December 27, 2011
    Publication date: October 4, 2012
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Fuh-Yu Chang, Chia-Chang Liu, Min-Hua Chen, Po-Chin Liang, Yu-Ting Chang, Kai-Wen Huang, Yi-Chao Hsu, Hsiao-Chin Cheng, Yu-Ting Fang, Mei-Shey Lin
  • Publication number: 20120130682
    Abstract: The invention discloses a real-time detection system for detecting the real-time machining by a rotating machine or rotating quality of a rotating machine. The real-time detection system of the invention comprises a signal capture module, a preprocessor, a processor and a comparison module. The signal capture module is used to capture a time-sequence signal of the rotating machine. The preprocessor is coupled to the signal capture module for receiving the time-sequence signal and generating a stationary time-sequence signal by a Fourier Transform. The processor is coupled to the preprocessor for receiving the stationary time-sequence signal and calculating a plurality of entropy of the stationary time-sequence signal by a predetermined way.
    Type: Application
    Filed: May 23, 2011
    Publication date: May 24, 2012
    Inventors: Jia Wang, Fuh-Yu Chang
  • Publication number: 20120126447
    Abstract: The invention discloses a mold performing in the micro/nano imprint fabricating process, wherein the mold is utilized to imprint a pattern on a substrate via a material layer. The mold comprises an upper surface, a lower surface, a pre-determined structure and an overflow controlling device. The upper surface and the lower surface are corresponded to each other. The pre-determined structure is disposed on the lower surface of the mold. The overflow controlling device is utilized to maintain the pressure among the material layer and the substrate.
    Type: Application
    Filed: May 25, 2011
    Publication date: May 24, 2012
    Inventor: Fuh-Yu Chang
  • Publication number: 20120001365
    Abstract: The invention discloses a clamping device of the micro/nano imprint process and the method thereof for clamping a substrate. The clamping device comprises a first module, a second module and a locking module. The first module and the second module are used to accommodate and support at least one mold. The mold has a predetermined structure. The locking module is used to lock the first module and the second module. The clamping device drives the mold to imprint the substrate or the material layer of the substrate by a predetermined way.
    Type: Application
    Filed: November 4, 2010
    Publication date: January 5, 2012
    Inventor: Fuh-Yu Chang
  • Publication number: 20110141258
    Abstract: A method is disclosed in the present disclosure for recognizing emotion by setting different weights to at least of two kinds of unknown information, such as image and audio information, based on their recognition reliability respectively. The weights are determined by the distance between test data and hyperplane and the standard deviation of training data and normalized by the mean distance between training data and hyperplane, representing the classification reliability of different information. The method recognizes the emotion according to the unidentified information having higher weights while the at least two kinds of unidentified information have different result classified by the hyperplane and correcting wrong classification result of the other unidentified information so as to raise the accuracy while emotion recognition. Meanwhile, the present disclosure also provides a learning step with a characteristic of higher learning speed through an algorithm of iteration.
    Type: Application
    Filed: February 7, 2011
    Publication date: June 16, 2011
    Applicant: Industrial Technology Research Institute
    Inventors: Kai-Tai Song, Meng-Ju Han, Jing-Huai Hsu, Jung-Wei Hong, Fuh-Yu Chang
  • Publication number: 20100281679
    Abstract: A method of fabricating a multi-layer electric probe. The method includes forming a first strip layer. The first strip layer has a first conductivity and a first mechanical strength. Then, a second strip layer is solidly adhered to a surface of the first strip layer to form a structural body, wherein the second strip layer has a second conductivity and a second mechanical strength. The combination of the second conductivity and the second mechanical strength with the first conductivity and the first mechanical strength produces the desired capabilities of enduring current and mechanical strength.
    Type: Application
    Filed: July 22, 2010
    Publication date: November 11, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Meng-Chi Huang, Min-Chieh Chou, Fuh-Yu Chang, Ching-Ping Wu
  • Publication number: 20100165316
    Abstract: An inclined exposure lithography system is disclosed, which comprises: a substrate; a photoresist layer, formed on the substrate; a mask, disposed over the photoresist layer with a gap therebetween; and a refraction element disposed over the mask so that a light beam from a light source is refracted by a specific angle.
    Type: Application
    Filed: March 10, 2010
    Publication date: July 1, 2010
    Applicant: Industrial Technology Research Institute
    Inventors: YING-JUI HUANG, Cheng-Hsuan Lin, Fuh-Yu Chang
  • Publication number: 20100018421
    Abstract: The present invention discloses a method for manufacturing a roller with microstructure, comprising the steps of: forming a protective metal layer on a roller; defining specific imprint patterns on an imprint stamp by processing the imprint stamp with a flexible mold; forming an etch mask on the embossed imprint stamp after the imprint stamp is released from the mold; wetting the imprint stamp and the etch mask thereof; adhering the etch mask onto the roller by rolling the roller on the imprint stamp; etching the roller at the portion thereof uncovered by the etch mask; and forming the roller with specific microstructure by removing the etch mask and the protective metal layer.
    Type: Application
    Filed: October 1, 2009
    Publication date: January 28, 2010
    Applicant: Industrial Technology Research Institute
    Inventors: Kun-Chih Pan, Fuh-Yu Chang, Min-Chieh Chou
  • Publication number: 20090246717
    Abstract: A photoresist layer is disclosed. Utilizing light diffraction properties, a transparent layer is disposed between a light-shielding layer and a photoresist layer during an exposure step, such that the patterned photoresist layer has non-vertical sidewalls. The method of the invention can be applied during front side exposure or back side exposure, and is also practical for positive type photoresists or negative photoresists.
    Type: Application
    Filed: August 6, 2008
    Publication date: October 1, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Meng-Chi Huang, Cheng-Hsuan Lin, Fuh-Yu Chang
  • Publication number: 20090161117
    Abstract: A method and an apparatus are disclosed for scatterfield microscopical measurement. The method integrates a scatterometer and a bright-field microscope for enabling the measurement precision to be better than the optical diffraction limit. With the aforesaid method and apparatus, a detection beam is generated by performing a process on a uniform light using an LCoS (liquid crystal on silicon) or a DMD (digital micro-mirror device) which is to directed to image on the back focal plane of an object to be measured, and then scattered beams resulting from the detection beam on the object's surface are focused on a plane to form an optical signal which is to be detected by an array-type detection device. The detection beam can be oriented by the modulation device to illuminate on the object at a number of different angles, by which zero order or higher order diffraction intensities at different positions of the plane at different incident angles can be collected.
    Type: Application
    Filed: October 15, 2008
    Publication date: June 25, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: YING-JUI HUANG, CHENG-HSUAN LIN, FUH-YU CHANG
  • Publication number: 20090142710
    Abstract: The disclosed is a method for patterning a photoresist layer. An object is provided, a photoresist layer is formed on the object, and an ink pattern is printed on the photoresist layer. Shielded by the ink pattern, the photoresist is exposed and developed to be patterned. In addition, a layered material is optionally formed between the object and the photoresist layer.
    Type: Application
    Filed: April 21, 2008
    Publication date: June 4, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Hsuan Lin, Chao-Chun Huang, Fuh-Yu Chang
  • Patent number: 7479237
    Abstract: The present invention relates to a method of fabricating a vertical probe head, whereas the vertical probe head is formed by the combination of at least a probe, a bottom guide plate and a top guide plate having at least a hole matching the probe. The probe is fabricated by a LIGA-like process combining with the processes of photolithography, etching and electroforming, and so on, so that the probe is equipped with comparatively better precision, strength and reliability and yet can be custom-made for satisfying various demands. In addition, both the top and bottom guide plates are made by a means of non-mechanical machining, which respectively is fabricated by processing a substrate using means of photolithography, etching and mask so as to fabricate holes for matching with the aforesaid probe.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: January 20, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Jiu-Shu Tsai, Min-Chieh Chou, Fuh-Yu Chang
  • Publication number: 20080217798
    Abstract: A mold structure and the manufacturing method thereof are disclosed. The mold structure is comprised of: an axle; a roller, axially ensheathing the axle; and a mold having a specific imprint pattern of microstructures formed thereon, being arranged to mount on the periphery of the roller while connecting to the axle; wherein a pulling force is exerted on the mold by the axle for stretching the mold while enabling the same to tensely adhere upon the periphery of the roller.
    Type: Application
    Filed: April 19, 2007
    Publication date: September 11, 2008
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chao-Chun Huang, Fuh-Yu Chang, Cheng-Hsuan Lin, Tune-Hune Kao