Patents Examined by Greg Moddafsky
  • Ink jet recording head
    Patent number: 6099111
    Abstract: An ink jet recording head is described in which nozzles can be arranged at a high density, which can be driven at a high frequency, and in which the nozzles do not interfere with each other.An ink jet recording head is connected to a buffer tank via a communication path which is close to an ink flow path of the recording head and which elongates along the arrangement direction of the pressure generating chambers. Therefore, pressure variation due to a reverse flow from the pressure generating chambers is absorbed by the tank.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: August 8, 2000
    Assignee: Seiko Epson Corporation
    Inventor: Junhua Chang