Patents Assigned to Matsushita Seiki Co., Ltd.
  • Patent number: 8159654
    Abstract: A pressure body comprises: three or more pressure pins 40 that come into contact with a photomask 70 at downward positions in a pressure direction D; a main body 10 provided with an opening 16, the opening 16 supporting the pressure pins 40 so as to prevent the pins from dropping off downward, the opening 16 being able to change positions within a plane perpendicular to the pressure direction D, the pressure pins 40 being supported at said positions; a cover body 20 fixed to the main body 10 at an upward position in the pressure direction D; and a buffer member 30 located between the pressure pins 40 and the cover body 20 in the pressure direction D. The pressure body further comprises a cap pin 60, the cap pin 60 supported in the opening 16 so as to be prevented from dropping off downward, the cap pin 60 located in alignment with the pressure pins 40 so as to close off the opening 16, thereby preventing the buffer member 30 from being exposed downward.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: April 17, 2012
    Assignee: Matsushita Seiki Co., Ltd.
    Inventor: Takeshi Matsushita
  • Publication number: 20100310973
    Abstract: A pressure body comprises: three or more pressure pins 40 that come into contact with a photomask 70 at downward positions in a pressure direction D; a main body 10 provided with an opening 16, the opening 16 supporting the pressure pins 40 so as to prevent the pins from dropping off downward, the opening 16 being able to change positions within a plane perpendicular to the pressure direction D, the pressure pins 40 being supported at said positions; a cover body 20 fixed to the main body 10 at an upward position in the pressure direction D; and a buffer member 30 located between the pressure pins 40 and the cover body 20 in the pressure direction D. The pressure body further comprises a cap pin 60, the cap pin 60 supported in the opening 16 so as to be prevented from dropping off downward, the cap pin 60 located in alignment with the pressure pins 40 so as to close off the opening 16, thereby preventing the buffer member 30 from being exposed downward.
    Type: Application
    Filed: June 3, 2009
    Publication date: December 9, 2010
    Applicant: MATSUSHITA SEIKI CO., LTD.
    Inventor: Takeshi MATSUSHITA
  • Patent number: 5973776
    Abstract: A device enabling an inspector to inspect a surface of a photomask etc. without holding the photomask manually, and enabling him/her not to lose his/her sight of any defect of the surface even if the surface is tilted. The device includes a hemispherical support, with its open side upward, which is supported so as to slidably move along a spherical surface with a point S as its center, an X-Y stage which is fixed onto the hemispherical support, a rotation unit which is mounted onto the X-Y stage, a support plate which is supported onto the rotation unit, a lighting device which lights up a part of a photomask, on the support plate, corresponding to the spot S and its vicinity. The support plate can be tilted about the spot S.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: October 26, 1999
    Assignee: Matsushita Seiki Co., Ltd.
    Inventor: Hidekatsu Matsushita