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
Electronic device package and fabrication method thereof
Transfer device and image forming apparatus including regulation member
Image processing apparatus, image processing method, and program
Content output control device and content output control method
High purity diphenyl sulfone, preparation and use thereof for the preparation of a poly(aryletherketone)
Isoselective polymerization of epoxides
System and method for associating financial transaction data with a user's project data using a portable electronic device
  Randomly Featured Patents
Cephalosporin esters
Coating and adhesive composition comprising (a) PVC, (b) acrylate polymer having carboxyl cure sites and (c) reinforcing filler
Floor lamp
Portable male urinal
Delimbing device and methods
System and method providing low power operation in a multimode communication device
Rolling installation and method for producing metal strips
Method of deriving web service interfaces from form and table metadata
Pile weatherseal enclosed in U-shaped tube
Halogen containing copolyester resins