Patent ID: 11951422
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A filtration filter having a tubular shape and defining a first opening and a second opening facing the first opening, the filtration filter comprising:
a filter base that defines a plurality of through holes arranged in a square grid array, wherein
the filter base includes a continuous portion having a first set of through holes of the plurality of through holes and a non-continuous portion having a second set of through holes of the plurality of through holes, the continuous portion extending in a first direction from the first opening of the filtration filter toward the second opening of the filtration filter and extending in a second direction along at least a first portion of a circumference of the filtration filter orthogonal to the first direction, the non-continuous portion having a first row of the second set of through holes shifted with respect to a second row of the second set of through holes, the non-continuous portion extending in the first direction.