Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Non-serialized electronic product registration system and method of operating same
Systems, methods, and computer readable media for providing information related to virtual environments to wireless devices
Processor micro-architecture for compute, save or restore multiple registers, devices, systems, methods and processes of manufacture
Memory interface circuit, memory interface method, and electronic device
Systems, methods, and apparatus to determine physical location and routing within a field of low power beacons
Methods to fabricate a photoactive substrate suitable for microfabrication
Anti-infective derivatives, method for the production thereof, pharmaceutical compositions containing same and uses of said derivatives in treatment
  Randomly Featured Patents
Field programmable gate array logic unit and its cluster
Shielding and grounding assembly for electronic equipment
Weight exercise device
Electronic rubbed-string instrument
Combined reversible sprinkler nozzle and support ring
Marker system
Transalkylation process
Method and apparatus for transmission on a 2-bit channel using 3b/4b code
Diagnostic method, system, and program that isolates and resolves partnership problems between a portable device and a host computer
Coupling device for Christmas light