Resources Contact Us Home
Bubble-ink jet print head and fabrication method thereof

Image Number 4 for United States Patent #7320513.

A bubble-ink jet print head includes: a substrate having ink chambers to store ink and resistance heat emitting bodies to heat ink disposed thereover; and an ink supply passage which penetrates the substrate and which is connected with the ink chambers. The ink supply passage includes: a first trench formed at a first surface of the substrate in a first pattern having a separating distance from at least one of inlets of the ink chambers and connecting portions between the adjacent ink chambers, the first surface of the substrate having the ink chambers disposed thereover, and a second trench formed at a second surface of the substrate in a second pattern, having one of an area equal to and an area smaller than that of the first trench in the range of the first pattern of the first trench, and in communication with the first trench.

  Recently Added Patents
Generating package profiles in software package repositories using selective subsets of packages
Selecting one of a plurality of print modes based on pixel coverage of a document
Kit and method for the capture of tumor cells
Image forming device
Media used in digital high speed inkjet web press printing
Control apparatus and control method
Single-electron detection method and apparatus for solid-state intensity image sensors with a charge splitting device
  Randomly Featured Patents
Brushless tachometer/synchro
Display device for a copying machine
Operating mechanism
Flush device for toilet
Method of making a business form including a label
Fuel cell system and the method for operating the same
Circuit and method for signal reception using a low intermediate frequency reception
Work fixing clamp system
Occupant based design system for an automotive vehicle
Photosensitive element and detector for detecting flashes of light