Patents Assigned to Ritek Corporation
  • Patent number: 8584918
    Abstract: A fracturing apparatus is provided. The fracturing apparatus includes a first board portion, a pressing element, a first suction device, a second board portion, a second suction device, and a cylinder. The first suction device is secured to the first board portion. The second board portion is rotatably connected to the first board portion. The second suction device is secured to the second board portion. The pressing element is secured to the first board portion and disposed between the first board portion and the second board portion. The cylinder is located on the first board portion and includes a piston rod rotatably connected to the second board portion. When the piston rod extends, the second board portion is pressed by the piston rod and swiveled about the first board portion.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: November 19, 2013
    Assignee: Ritek Corporation
    Inventors: Chih-Chieh Su, Sheng-Hong Tsai, Tyng-Bin Huang
  • Patent number: 8462607
    Abstract: Disclosed herein is an optical disc having an information area situated between an internal edge and an external edge of the optical disc. The optical disc includes a first substrate, a second substrate, a recording layer, a reflecting layer and a number of surface structures. The second substrate is disposed over the second substrate, the recording layer and the reflecting layer are disposed between the two substrates, and the reflecting layer is disposed between the first substrate and the recording layer. The surface structures are discontinuously disposed on the surface of the second substrate.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: June 11, 2013
    Assignee: Ritek Corporation
    Inventors: Shih-Mim Chang, Shing-Tang Liao, Chien-Chang Lu
  • Patent number: 8435620
    Abstract: Disclosed herein is a recording material for an optical recording medium. The recording material has a composition represented by a general formula of BixGeyO(1-x-y), in which x and y respectively are atomic ratios of bismuth and germanium, and satisfy the requirements of the following formulae: 2.8?(x/y)?25 and 0.55?(1?x?y)?0.62.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: May 7, 2013
    Assignee: Ritek Corporation
    Inventors: Wei-Hsiang Wang, Po-Fan Hsu, Wei-Chong Li
  • Patent number: 8022382
    Abstract: A phase change memory device and a method of forming the same are provided. The phase change memory device includes a conducting electrode in a dielectric layer, a bottom electrode over the conducting electrode, a phase change layer over the bottom electrode, and a top electrode over the phase change layer. The phase change memory device may further include a heat sink layer between the phase change layer and the top electrode. The resistivities of the bottom electrode and the top electrode are preferably greater than the resistivity of the phase change material in the crystalline state.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: September 20, 2011
    Assignees: Taiwan Semiconductor Manufacturing Company, Ltd., Ritek Corporation
    Inventors: Li-Shyue Lai, Denny Duan-lee Tang, Wen-chin Lin, Teng-Chien Yu, Hui-Fang Tsai, Wei-Hsiang Wang, Shyhyeu Wang
  • Publication number: 20100314973
    Abstract: A piezoelectric device is disclosed. The piezoelectric device includes a first magnetic layer, a second magnetic layer and a piezoelectric layer. The piezoelectric layer is disposed between the first magnetic layer and the second magnetic layer. Both the first magnetic layer and the second magnetic layer are electrically conductive layers and are capable of generating magnetic fields.
    Type: Application
    Filed: June 10, 2009
    Publication date: December 16, 2010
    Applicant: Ritek Corporation
    Inventor: Wei-Hsiang Wang
  • Patent number: 7768864
    Abstract: A non-volatile memory device capable of supplying power is provided. The non-volatile memory device includes an electrical storage device for supplying a stored power, a charging control circuit coupled to the electrical storage device, a non-volatile memory, an input/output (I/O) interface, and a power control circuit. The I/O interface connects an electronic apparatus for transmitting an external power output from the electronic apparatus to the non-volatile memory and the charging control circuit, such that the charging control circuit could control a charging current and a charging voltage of the electrical storage device. The power control circuit converts the stored power into a backup power, and monitors whether a voltage value of the external power is less than a predetermined value. If the result is positive, the power control circuit controls the charging control circuit to stop charging the electrical storage device, and outputs the backup power through the I/O interface.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: August 3, 2010
    Assignee: Ritek Corporation
    Inventor: Chwei-Jing Yeh
  • Publication number: 20080163926
    Abstract: An organic solar cell including a substrate, an organic solar cell device, at least one hydrophobic polymer layer and at least one metal layer is provided. The hydrophobic polymer layer and the metal layer are alternately stacked on the organic solar cell device. The hydrophobic polymer layer is used to prevent moisture from entering the organic solar cell device. The metal layer is used to prevent moisture and oxygen from entering the organic solar cell device. A method for forming an organic solar cell is also disclosed in the specification.
    Type: Application
    Filed: March 13, 2007
    Publication date: July 10, 2008
    Applicant: Ritek Corporation
    Inventors: Ping-Tsung Huang, Hsiu-Chih Hsu, Chuan-Man Lan, Chao-Ting Chen
  • Patent number: 7357654
    Abstract: An interface apparatus having a rotational mechanism for connecting with an interface port in an electronic product is provided. The interface apparatus comprises a body, a connector and a rotational mechanism. The connector is used for connecting with the interface port of an electronic device. The rotational mechanism links up the body with the connector. The rotational mechanism has one to five degrees of freedom of movements. One or a multiple of rotational junctions together provides the degrees of freedom of movements in the rotational mechanism.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: April 15, 2008
    Assignee: Ritek Corporation
    Inventors: Yu-Chuan Lin, Chun-Chieh Chen, Hung-Ju Shen, Chien-Hua Wu, Sheng-Lin Chiu, Huan-Tung Wang, Hsin-Chih Hung
  • Publication number: 20070073496
    Abstract: A detection functionality of any type sensor is integrated into a flash memory disk. The sensor detects its environment and generates signals constantly. A microcontroller, connected with the sensor, saves all signals into a flash memory. A connection port, connected with the microcontroller, enables the flash memory disk to transfer its data to and from a computer when the connection port is coupled with the computer. A battery supplies power to the flash memory, the sensor and the microcontroller.
    Type: Application
    Filed: September 29, 2005
    Publication date: March 29, 2007
    Applicant: Ritek Corporation
    Inventors: Yu-Chuan Lin, Chun-Chieh Chen, Chang-Yi Chen
  • Patent number: 7078149
    Abstract: A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a cyanine type dye and an azo metal chelate compound selected from the formula (I): wherein M is a metal ion; R1 is a hydrogen atom, a linear or branched alkyl group containing 1 to 6 carbon atoms, amino group, alkyl amino group or toluidinyl group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, an ester group or a linear or branched alkyl group containing 1 to 6 carbon atoms; R3 is a hydrogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; R4 is a hydrogen atom, a halogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; A1 is a heterocyclic derivative group constituted by carbon atoms and nitrogen atoms.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: July 18, 2006
    Assignee: Ritek Corporation
    Inventors: Wen-Dar Liu, Nae-Jen Wang, Wan-Chun Chen, Biing-Hwang Lin, Hui-Jen Chen, Hsin-Te Kuo
  • Patent number: 7067183
    Abstract: A write once recording medium comprising an inorganic material serving as a recording layer is disclosed. The inorganic material has a formula, A(1?y)My, wherein A is comprised of Si or Sn; M is comprised of Al, Ag, Au, Zn, Ti, Ni, Cu, Co, Ta, Fe, W, Cr, V, Ga, Pb, Mo, In or Te; and y is in the range of 0.02˜0.8.
    Type: Grant
    Filed: April 19, 2004
    Date of Patent: June 27, 2006
    Assignee: Ritek Corporation
    Inventors: Bing-Mau Chen, Hung-Fa Chen, Li-Chun Chung
  • Patent number: 7057523
    Abstract: A non-volatile memory device with wireless control function which can be divided into two parts comprising a main part and a remote control part. The main part includes a connection port, a memory system and a remote control signal reception module, while the remote control part including a function-key module, a controller, a remote control signal emission module and a power storage unit. The function-key module produces a set of key signals while being pressed, and the controller produces a control signal corresponding to the set of key signals. The remote control signal emission module emits a remote control signal corresponding to the control signal. The remote control signal reception module produces a host control signal corresponding to the remote control signal, and the host control signal is transferred to the host via the connection port to control operations of the host. The power storage unit stores power which is provided to the remote control part while the remote control part is being used.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: June 6, 2006
    Assignee: Ritek Corporation
    Inventors: Yu-Chuan Lin, Chun-Chieh Chen, Hung-Ju Shen, Chien-Hua Wu, Sheng-Lin Chiu, Huan-Tung Wang, Hsin-Chih Hung
  • Patent number: 7042715
    Abstract: An information product with a rotational mechanism is provided. The information product comprises a product body, an interface connection port, and a rotational mechanism. The product body further comprises an indentation, which is used to accommodate a plug-in peripheral device. The interface connection port is disposed in the indentation of the product body and is electrically connected with the plug-in peripheral device. The rotational mechanism is disposed in the indentation of the product body and is electrically connected with the product body and the interface connection port, respectively. Wherein, the rotational mechanism is used to adjust the relative position between the interface connection port and the product body, such that the plug-in peripheral device electrically connected with the interface connection port can be accommodated in the indentation with the help of the rotational mechanism.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: May 9, 2006
    Assignee: Ritek Corporation
    Inventors: Yu-Chuan Lin, Chun-Chieh Chen, Chien-Hua Wu
  • Patent number: 6961302
    Abstract: A method and structure for intensifying track seeking signals from an optical disk, in particular, a recordable digital versatile disk (DVD-R). With the addition of an optical correction layer between a dye material layer and a reflection layer inside the DVD-R, track-seeking signals of the optical disk are intensified and recording quality of the optical disk is improved. The optical correction layer is a transparent or semi-transparent layer made from inorganic materials. The optical correction layer is formed over the dye material layer in a sputtering process.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: November 1, 2005
    Assignee: Ritek Corporation
    Inventors: Shyh-yeu Wang, Biing-Hwang Lin, Chun-Ying Lin
  • Patent number: 6906993
    Abstract: A hybrid optical disc recording medium has concurrently a hybrid read-only area and a rewritable area on an optical substrate. The substrate of the read-only area has pre-pits, and the substrate of the rewritable area has pre-grooves. The pre-pits and the pre-grooves have the same depth. Thus when making the stampers for producing the hybrid optical disc, the technical problems of difficult to control the yields that incur to conventional techniques of different depths of the pits and the grooves can be effectively resolved. Experiments and test results indicate that the hybrid optical disc recording medium of the invention that have the same depth for the pits and the grooves, and extended grooves, can generate signals to meet the standards of the specifications.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: June 14, 2005
    Assignee: Ritek Corporation
    Inventors: Shyh-Yeu Wang, Min-Chung Chiu, Chi-Tsung Hsu
  • Patent number: 6901601
    Abstract: The optical recording medium protection cassette of the present invention comprises a housing, a clasping member and at least one switch member. A first opening for retaining an optical recording medium is formed on a first lateral side of the housing and a groove is formed on the inside of a second lateral side which is perpendicular to the first lateral side. The clasping member is in engagement with the first opening of the housing to restrict the optical recording medium to be located within the housing. The clasping member is provided with at least a first buckling portion and at least a V-shaped portion having a first side and a second side. Each switch member has a first end as a second buckling portion fastened to the first buckling portion of the clasping member, which makes the switch member rotate relative to the first buckling portion, and a second end which is a positioning portion substantially stops at either the first side or the second side of the V-shaped portion.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: May 31, 2005
    Assignee: Ritek Corporation
    Inventors: Chun Han Wu, Huan Chang Lin
  • Patent number: 6896946
    Abstract: An initiation-free super-resolution optical medium. The optical medium includes, in sequence, a substrate with a first dielectric layer thereon, an active layer on the first dielectric layer to absorb laser beam, a second dielectric layer on the active layer, an initiation-free recording layer on the second dielectric layer, and a third dielectric layer on the initiation-free recording layer.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: May 24, 2005
    Assignee: Ritek Corporation
    Inventor: Bing-Mau Chen
  • Patent number: 6838019
    Abstract: A phosphorescent light emitting material, the material is a complex compound comprises a beta-diketonate ligand, a sulfoxide ligand and a triple charge rare earth group metal ion, the phosphorescent light emitting material has a following structure: wherein M is a triple charge rare earth group metal ion, R2 is hydrogen, R1 and R3 are selected from the group consisting of, hydrogen, C1 to C8 straight chain alkyl groups, C3 to C8 branch chain alkyl groups, heterocyclic groups and C6 to C14 aryl groups, and R4 and R5 are selected from the group consisting of substituted alkyl group, an unsubstituted alkyl group, an aryl group and a heterocyclic group.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: January 4, 2005
    Assignee: Ritek Corporation
    Inventors: Chao-Nan Kuo, Mei-Jung Hu, Sung-Kuei Chiang
  • Patent number: 6832941
    Abstract: A surface treatment process for fabricating a panel of an organic light emitting device is disclosed.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: December 21, 2004
    Assignee: Ritek Corporation
    Inventor: Tien-Rong Lu
  • Publication number: 20040181627
    Abstract: A device and method for recording the block status information of a nonvolatile memory is disclosed. An interface unit is used to host the nonvolatile memory so that a processor connected to the interface unit can detect the block status information of the nonvolatile memory through the interface unit to obtain a valid or invalid block address. Then, the valid or invalid block address is temporarily stored in a memory unit until all of the blocks are detected by means of the processor. Finally, the valid or invalid block address temporarily stored in the memory unit is written into the nonvolatile memory.
    Type: Application
    Filed: November 25, 2003
    Publication date: September 16, 2004
    Applicant: RiTek Corporation
    Inventors: Yu-Chuan Lin, Chun-Chieh Chen, Sheng-Lin Chiu