JPH0429224U - - Google Patents
Info
- Publication number
- JPH0429224U JPH0429224U JP7045290U JP7045290U JPH0429224U JP H0429224 U JPH0429224 U JP H0429224U JP 7045290 U JP7045290 U JP 7045290U JP 7045290 U JP7045290 U JP 7045290U JP H0429224 U JPH0429224 U JP H0429224U
- Authority
- JP
- Japan
- Prior art keywords
- glass
- crystal resonator
- crystal
- crystal oscillator
- resonator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013078 crystal Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図Ａ，Ｂは本考案の水晶発振器の封止状態
の平面図及び側面図Ａと水晶発振回路の回路図Ｂ
である。第２図Ａ，Ｂは従来のモールド型水晶発
振器のモールド前の平面図Ａとモールド後の平面
図Ｂである。第３図は封止による発振周波数のシ
フトを示す特性図である。
１……ケース、２……水晶振動子、３……ガラ
ス、４，５……インバータ、６……レベルシフタ
、７……バツフア、８……定電圧回路、９，１０
……コンデンサ、１１……帰還抵抗、１２……Ｉ
Ｃ、１３……キユーブタイプ水晶振動子、１４，
１５……コンデンサ、２０……レーザ光。
Figures 1A and 1B are a plan view and a side view of the crystal oscillator of the present invention in a sealed state, and a circuit diagram of the crystal oscillator circuit B.
It is. FIGS. 2A and 2B are a plan view A before molding and a plan view B after molding of a conventional molded crystal oscillator. FIG. 3 is a characteristic diagram showing a shift in oscillation frequency due to sealing. 1... Case, 2... Crystal resonator, 3... Glass, 4, 5... Inverter, 6... Level shifter, 7... Buffer, 8... Constant voltage circuit, 9, 10
... Capacitor, 11 ... Feedback resistor, 12 ... I
C, 13... Cube type crystal resonator, 14,
15...Condenser, 20...Laser light.
Claims (1)
発振回路を、ガラスで封止した水晶発振器におい
て、水晶振動子がガラスを通して見えるように配
置し、封止後に、水晶振動子の共振周波数をガラ
スを通したレーザ光の照射で調整を施したことを
特徴とする水晶発振器。 An oscillation circuit consisting of a crystal resonator and peripheral components that excite it is placed in a glass-sealed crystal oscillator so that the crystal resonator can be seen through the glass, and after sealing, the resonant frequency of the crystal resonator is transmitted through the glass. A crystal oscillator characterized by being adjusted by irradiation with laser light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045290U JPH0429224U (en) | 1990-07-02 | 1990-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045290U JPH0429224U (en) | 1990-07-02 | 1990-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429224U true JPH0429224U (en) | 1992-03-09 |
Family
ID=31606621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7045290U Pending JPH0429224U (en) | 1990-07-02 | 1990-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000147164A (en) * | 1998-11-05 | 2000-05-26 | Em Microelectronic Marin Sa | Method for adjusting pulse repetition frequency of clock module using fuse cuttable with laser |
| JP2002057528A (en) * | 2000-08-11 | 2002-02-22 | Seiko Epson Corp | Piezoelectric device and production method therefor |
-
1990
- 1990-07-02 JP JP7045290U patent/JPH0429224U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000147164A (en) * | 1998-11-05 | 2000-05-26 | Em Microelectronic Marin Sa | Method for adjusting pulse repetition frequency of clock module using fuse cuttable with laser |
| JP2002057528A (en) * | 2000-08-11 | 2002-02-22 | Seiko Epson Corp | Piezoelectric device and production method therefor |
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