CH216057A - Verfahren zur Beseitigung der Mehrwelligkeit von piezoelektrischen Kristallen. - Google Patents
Verfahren zur Beseitigung der Mehrwelligkeit von piezoelektrischen Kristallen.Info
- Publication number
- CH216057A CH216057A CH216057DA CH216057A CH 216057 A CH216057 A CH 216057A CH 216057D A CH216057D A CH 216057DA CH 216057 A CH216057 A CH 216057A
- Authority
- CH
- Switzerland
- Prior art keywords
- waviness
- eliminating
- piezoelectric crystals
- piezoelectric
- crystals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
- H03H2003/0414—Resonance frequency
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216057X | 1939-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH216057A true CH216057A (de) | 1941-07-31 |
Family
ID=5827210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH216057D CH216057A (de) | 1939-09-19 | 1940-09-06 | Verfahren zur Beseitigung der Mehrwelligkeit von piezoelektrischen Kristallen. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH216057A (enrdf_load_html_response) |
| FR (1) | FR869784A (enrdf_load_html_response) |
| NL (1) | NL58617C (enrdf_load_html_response) |
-
0
- NL NL58617D patent/NL58617C/xx active
-
1940
- 1940-09-06 CH CH216057D patent/CH216057A/de unknown
-
1941
- 1941-02-06 FR FR869784D patent/FR869784A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR869784A (fr) | 1942-02-16 |
| NL58617C (enrdf_load_html_response) |
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