Block Or Graft Polymer Patents (Class 430/119.2)
  • Patent number: 8946089
    Abstract: Methods of forming contact holes include forming a first guide pattern over an etching target layer. The first guide pattern has first openings each extending in a first direction and each first opening arranged in a direction perpendicular to the first direction. A first BCP structure is formed in each first opening. The first BCP structure includes first material layers in the first direction at a first pitch in each of the first openings, and second material layers filling a remaining portion of each first opening. First holes are formed by removing the first material layers. A second guide pattern is formed over the first guide pattern and the second material layers, and the above processes are performed on the second guide pattern to form second holes. Portions of the etching target layer overlapped by the first holes or the second holes are removed to form a desired pattern.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sung Kim, Jae-Woo Nam, Chul-Ho Shin, Shi-Yong Yi
  • Patent number: 8940468
    Abstract: Disclosed is a process for production of a decolorable toner, including: aggregating dispersed fine particles of a color material comprising at least a color-forming compound, a color-developing agent and a decoloring agent with dispersed fine particles comprising at least a binder resin comprising a polyester resin to form aggregates in an aqueous medium, adding a reactive polymer having an oxazoline group in to the aqueous medium, and fusing the aggregates in the aqueous medium. As a result, it becomes possible to produce a decolorable toner which suppresses the generation of fine powder due to the release of fine particles of an erasable color material from the toner.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: January 27, 2015
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Takayasu Aoki, Takafumi Hara, Tsuyoshi Itou, Masahiro Ikuta, Motonari Udo, Koji Shimokusa, Hiroshi Mizuhata
  • Patent number: 8883646
    Abstract: The present disclosure is directed to a process for the fabrication of a semiconductor device. In some embodiments the semiconductor device comprises a patterned surface. The pattern can be formed from a self-assembled monolayer. The disclosed process provides self-assembled monolayers which can be deposited quickly, thereby increasing production throughput and decreasing cost, as well as providing a pattern having substantially uniform shape.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: November 11, 2014
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Min Huang, Chung-Ju Lee, Chien-Hua Huang
  • Patent number: 8785101
    Abstract: Provided is a toner containing toner particles, each of which includes a binder resin containing a polyester as a main component, a colorant, and a wax, in which the binder resin includes a block polymer in which a segment capable of forming a crystalline structure and a segment incapable of forming a crystalline structure are bonded, the toner has a maximum endothermic peak from the binder resin, as determined by differential scanning calorimetry measurement, with a peak temperature in a specific range and with an endothermic quantity in a specific range, and the wax is an ester wax having a functionality of 3 or more.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: July 22, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takaaki Kaya, Tetsuya Kinumatsu, Toshifumi Mori, Ayako Okamoto, Kenji Aoki, Shuntaro Watanabe, Atsushi Tani, Takashige Kasuya
  • Publication number: 20140170556
    Abstract: A liquid developer includes a carrier liquid having insulation property, colored particles, and an organic high molecular compound. The organic high molecular compound is dissolved in the carrier liquid. The organic high molecular compound includes elastomer A that is a styrene-butadiene-based elastomer not having an acid group or a basic group and elastomer B that is a styrene-based elastomer having an acid group or a basic group. A content of the elastomer A in the liquid developer is 6% by mass or more and 8% by mass or less, and a content of the elastomer B in the liquid developer is 0.4% by mass or more and 0.8% by mass or less. The colored particles include aniline black.
    Type: Application
    Filed: December 17, 2013
    Publication date: June 19, 2014
    Applicant: Kyocera Document Solutions Inc.
    Inventor: Katsuki OSANISHI
  • Patent number: 8597865
    Abstract: An electrostatic-image-developing toner includes a polyester resin; two or more pigments; a polyethylene wax; and a polyolefin-polyvinyl-based graft copolymer, and satisfies the relationship represented by the following equation (1): 0.2?wd/wp?5.0??(1) wherein wp represents a total content (wt. %) of the pigments, and wd represents a content (wt. %) of the polyolefin-polyvinyl-based graft copolymer.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: December 3, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Daisuke Ishizuka, Shinichi Yaoi, Yasushige Nakamura
  • Patent number: 8263303
    Abstract: A method for producing a colored resin particle dispersion liquid comprises: polycondensing a polyester-forming monomer in a nonaqueous solvent to produce an unsaturated polyester; graft-polymerizing an ethylenic unsaturated monomer to the unsaturated polyester in a nonaqueous solvent to produce a modified polyester resin; and dispersing a colorant and the modified polyester resin to produce a colored resin particle dispersion liquid, the polycondensing and the graft-polymerizing being carried out at a temperature of 150° C. or less.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: September 11, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirotaka Matsuoka, Yuki Sasaki, Satoshi Hiraoka, Fumiaki Mera, Yasuo Matsumura