Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MICROFILTER FOR CAPTURING FINE PARTICLE
Document Type and Number:
Japanese Patent JPH04284801
Kind Code:
A
Abstract:

PURPOSE: To provide a filter for use in capturing fine particles such as dust in the air, mineral composition, labeled compound of radioactive isotope, microorganism, virus, organismic cell, constitecents of the cells, etc.

CONSTITUTION: A filter 7 comprises an assembly 3 of a large number of extremely fine wires 1 whose outer casings 2 are in close contact with one another, wherein said assembly 3 is cut off in a direction in parallel with a thin plate 4 perpendicular to the axial direction of the assembly, with the result that a large number of trace holes 6 of core wires 5 of wires 1 are formed in the plate 4. The thickness of the plate 4 is 1-5μm and the inner diameter of the holes 6 is 0.01-10μm and the area ratio of the holes 6 to the plate 4 is 20-90%.


Inventors:
KAWASHIMA TAKESHI
KAWAMURA HIROTAKA
Application Number:
JP4835691A
Publication Date:
October 09, 1992
Filing Date:
March 13, 1991
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KAWASHIMA TAKESHI
KAWAMURA HIROTAKA
International Classes:
B01D29/01; B01D35/02; B01D39/16; B01D39/20; B01D46/54; B01D61/18; B01D69/06; (IPC1-7): B01D29/01; B01D35/02; B01D39/16; B01D39/20; B01D46/54; B01D61/18; B01D69/06
Attorney, Agent or Firm:
Yoshiharu Yoshida