Ladder filter with piezoresonators and folded electrode terminal

Details Ladder filter with piezoresonators and folded electrode terminal Ladder filter with piezoresonators and folded electrode terminal

1994-01-11

1996-06-11

Lee, Benny

Wave transmission lines and networks

Coupling networks

Electromechanical filter

310348, H03H 910, H03H 9205, H03H 958

Patent

active

055259448

ABSTRACT:
A ladder filter has a terminal which has a first electrode portion and a second electrode portion which is folded back on the first electrode portion, the first electrode portion and the second electrode portion having a first projection and a second projection respectively which are in contact with piezoresonators. The folding position of the second electrode portion and the whole second electrode portion are inside peripheral sides of the piezoresonators. The second projection is lower than the first projection.

REFERENCES:
patent: 5260675 (1993-11-01), Ogawa et al.
patent: 5272595 (1993-12-01), Mura et al.

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