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    NOVEL ALIPHATIC POLYCARBONATE
    12.
    发明申请
    NOVEL ALIPHATIC POLYCARBONATE 审中-公开

    公开(公告)号：US20200239630A1

    公开(公告)日：2020-07-30

    申请号：US16644120

    申请日：2018-09-03

    Applicant: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY ,  SUMITOMO SEIKA CHEMICALS CO., LTD.

    Inventor： Koji NAKANO ,  Kiyoshi NISHIOKA

    IPC: C08G64/02

    Abstract: The present invention provides an aliphatic polycarbonate that can be thermally decomposed (dewaxed) at a relatively low temperature. The aliphatic polycarbonate comprises a constituent unit represented by formula (1): wherein R1, R2, and R3 are identical or different, and each represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 15 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 carbon atoms; R4 represents a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 carbon atoms; and n is an integer of 0 to 3.

    BINDER RESIN COMPOSITION
    15.
    发明申请
    BINDER RESIN COMPOSITION 审中-公开

    公开(公告)号：US20180057415A1

    公开(公告)日：2018-03-01

    申请号：US15557579

    申请日：2016-03-02

    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.

    Inventor： Kiyoshi NISHIOKA ,  Masahiro SUZUKI

    IPC: C04B35/634 ,  C08L31/02 ,  C08K3/00

    CPC classification number: C04B35/63464 ,  C08G18/10 ,  C08G18/44 ,  C08G18/7671 ,  C08G64/0208 ,  C08G64/0216 ,  C08K3/00 ,  C08K2201/005 ,  C08L31/02 ,  C08L69/00

    Abstract: A binder resin composition comprising an aliphatic polycarbonate resin represented by the formula (1): and an end-capped aliphatic polycarbonate resin represented by the formula (2): wherein each of X and Y, which may be identical or different, is a group having at least one functional group selected from a carboxy group, an ester group, a carbamate group, a silicate group, an isocyanate group, an ether group, an acetal group, and a halogen atom at its end; and an inorganic particle-dispersed paste composition containing the resin composition. The binder resin composition of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.

    SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING SAME AND ALIPHATIC POLYCARBONATE
    17.
    发明申请
    SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING SAME AND ALIPHATIC POLYCARBONATE 有权
    半导体器件，其制造方法和二聚碳酸酯

    公开(公告)号：US20160315198A1

    公开(公告)日：2016-10-27

    申请号：US15104726

    申请日：2014-12-16

    Applicant: JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY ,  SUMITOMO SEIKA CHEMICALS CO., LTD.

    Inventor： Satoshi INOUE ,  Tatsuya SHIMODA ,  Nobutaka FUJIMOTO ,  Kiyoshi NISHIOKA ,  Shuichi KARASHIMA

    IPC: H01L29/786 ,  H01L21/477 ,  C09D169/00 ,  H01L29/24 ,  C09D5/00 ,  C09D7/12 ,  H01L21/385 ,  H01L29/66

    CPC classification number: H01L29/78618 ,  C09D5/008 ,  C09D7/61 ,  C09D169/00 ,  H01L21/385 ,  H01L21/477 ,  H01L29/24 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

    Abstract: It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment. An exemplary method for producing a thin film transistor according to the invention includes an aliphatic polycarbonate layer forming step of forming an aliphatic polycarbonate layer 50 that covers a gate electrode layer 40 disposed above a semiconductor layer 20 with a gate insulator 30 being interposed between the gate electrode layer 40 and the semiconductor layer 20, and also covers the semiconductor layer 20, and has a dopant causing the semiconductor layer 20 to become an n-type or p-type semiconductor layer, and a heating step of heating at a temperature causing introduction of the dopant into the semiconductor layer 20 and decomposition of the aliphatic polycarbonate layer 50.

    Abstract translation: 本发明的目的是提供一种薄膜晶体管及其制造方法，其可以容易地实现源极/漏极区域的自对准形成，而无需通过真空或低压下的工艺或不使用 昂贵的设备。 根据本发明的制造薄膜晶体管的示例性方法包括：脂肪族聚碳酸酯层形成步骤，形成脂肪族聚碳酸酯层50，其覆盖设置在半导体层20上方的栅电极层40，栅极绝缘体30插入在栅极 电极层40和半导体层20，并且还覆盖半导体层20，并且具有使半导体层20成为n型或p型半导体层的掺杂剂，以及在导入引入温度下加热的加热步骤 的掺杂剂进入半导体层20并分解脂肪族聚碳酸酯层50。

    ALIPHATIC POLYCARBONATE
    19.
    发明申请
    ALIPHATIC POLYCARBONATE 有权

    公开(公告)号：US20220098364A1

    公开(公告)日：2022-03-31

    申请号：US17425474

    申请日：2020-01-21

    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD. ,  MURATA MANUFACTURING CO., LTD.

    Inventor： Kiyoshi NISHIOKA ,  Yusuke UEBA ,  Akemi KIRIHATA

    IPC: C08G64/02 ,  C08G64/40 ,  C09D11/102 ,  C09D169/00 ,  C09J169/00

    Abstract: An object of this invention is to find a method for introducing a functional group into an aliphatic polycarbonate without impairing the excellent thermal decomposition property of the aliphatic polycarbonate.
    An aliphatic polycarbonate comprising a constituent unit represented by formula (1): wherein R1, R2, and R3 are identical or different, and each represents a hydrogen atom, a C1-10 alkyl group optionally substituted with one or more substituents, or a C6-20 aryl group optionally substituted with one or more substituents, wherein two groups from among R1 to R3, taken together with the carbon atom or carbon atoms to which these groups are attached, may form a substituted or unsubstituted, saturated or unsaturated 3- to 10-membered aliphatic ring; and X represents a divalent group containing one or more heteroatoms or an alkylene group having 3 or more carbon atoms, and a constituent unit represented by formula (2): wherein R4, R5, R6, and R7 are identical or different, and each represents a hydrogen atom, a C1-10 alkyl group optionally substituted with one or more substituents, or a C6-20 aryl group optionally substituted with one or more substituents, wherein two groups from among R4 to R7, taken together with the carbon atom or carbon atoms to which these groups are attached, may form a substituted or unsubstituted, saturated or unsaturated 3- to 10-membered aliphatic ring, the content of the constituent unit represented by formula (1) being 0.1 mol % or more and 1.5 mol % or less, based on the total amount of the constituent units of formula (1) and formula (2).

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