| Patent Number |
Title Of Patent |
Date Issued |
| 7220995 |
Substrate for electronic device, electronic device and methods of manufacturing same |
May 22, 2007 |
| A substrate for an electronic device comprises a base, an adhesion film stacked on the base, and a conductor film stacked on the adhesion film. The adhesion film is a non-epitaxial film including a crystal having a wurtzite crystal structure. The electronic device comprises the substrate |
| 6989723 |
Piezoelectric resonant filter and duplexer |
January 24, 2006 |
| A piezoelectric resonant filter includes a group of series resonators and a group of parallel resonators for forming a ladder-type filter circuit. Each of the resonators has a piezoelectric thin film having piezoelectric characteristic, and lower and upper electrodes disposed on opposite |
| 6855996 |
Electronic device substrate structure and electronic device |
February 15, 2005 |
| An electronic device substrate structure including a substrate 2, a metal thin film 4 as a (111)-oriented film of a face-centered cubic structure or as a (0001)-oriented film of a hexagonal closest packed structure formed on the substrate 2, and a wurtzite type thin film 5 as a (0001)-or |
| 6709776 |
Multilayer thin film and its fabrication process as well as electron device |
March 23, 2004 |
| The invention has for its objects to provide a multilayer thin film comprising a ferroelectric thin film preferentially (001) oriented on an Si substrate, its fabrication process, and an electron device. To attain these object, the invention provides a multilayer thin film formed on a |
| 6372351 |
Encapsulant epoxy resin composition and electronic device |
April 16, 2002 |
| In the present invention, provided are i) an encapsulant epoxy resin composition comprising an epoxy resin, a curing agent, a non-conductive carbon and an inorganic filler, and ii) an electronic device having an encapsulating member comprising a cured product of this composition. |
| 6259187 |
Piezoelectric bulk acoustic wave device |
July 10, 2001 |
| An object of the invention is to provide a piezoelectric bulk acoustic wave device having a high effective electromechanical coupling constant and allowing a fractional bandwidth to be broadened when applied to a filter and a normalized frequency variable width to be broadened when appli |
| 6198208 |
Thin film piezoelectric device |
March 6, 2001 |
| A thin film piezoelectric device has an epitaxial metal thin film (4) on a silicon substrate (2) and a PZT thin film (5) on the metal thin film, the PZT thin film (5) having a Ti/(Ti+Zr) atomic ratio between 0.65 and 0.90. A film bulk acoustic resonator having an extremely broad band is |
| 5877661 |
Surface acoustic wave filter with optimally sized gaps between transducers |
March 2, 1999 |
| A surface acoustic wave filter comprises a first electrode structure array which is formed on the piezoelectric substrate, and includes an input/output IDT, two receipt IDTs formed outside the input/output IDT and two reflectors formed outside the two receipt IDTs, and a second electrode |
| 5850167 |
Surface acoustic wave device |
December 15, 1998 |
| A first electrode structure row formed on a piezoelectric substrate, and including N1 pairs of an input/output IDT, N2 pairs of a connection IDT, and reflectors is cascade-connected to a second electrode structure row formed on the piezoelectric substrate, and including N1 pairs of an |
| 5840732 |
Imidazopyridine or imidazopyrimidine compounds, their production and use |
November 24, 1998 |
| This invention provides a new condensed imidazole compound possessing inhibitory activity of adhesion molecule expression.This invention also provides a therapeutic and prophylactic agent for diabetic nephritis and/or autoimmune disease and an immunosuppressor for organ transplantation. |
| 5585684 |
Surface acoustic wave device |
December 17, 1996 |
| A surface acoustic wave device comprises, on a lithium tetraborate substrate 10, a central interdigital transducer 21, 31, and first and second interdigital transducers 22, 23, 32, 33 disposed adjacently on both sides of the central interdigital transducer 21, 31 in a propagation dir |
| 5434465 |
Surface acoustic wave device |
July 18, 1995 |
| A surface acoustic wave device comprises a piezoelectric substrate of lithium tetraborate single crystal, and a metal film formed on the surface of the piezoelectric substrate for exciting, receiving, reflecting and/or propagating surface acoustic waves, the metal film being so formed th |
| 5302877 |
Surface acoustic wave device |
April 12, 1994 |
| A surface acoustic wave device comprises lithium tetraborate single crystal substrate to make use of surface acoustic waves with higher propagation velocities and smaller propagation losses, whereby frequencies to be signal-processed can be as high as above 1 GHz. The surface acoustic wa |
