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    • 5. 发明授权
    • Crystal oscillation device and semiconductor device
    • 晶体振荡器件及半导体器件
    • US08736390B2
    • 2014-05-27
    • US13316473
    • 2011-12-10
    • Osamu OzawaMasashi HoriguchiYuichi OkudaAkihito Anzai
    • Osamu OzawaMasashi HoriguchiYuichi OkudaAkihito Anzai
    • H03B5/32
    • H03B5/32H02H7/20H03B5/364H03B2200/0088H03B2202/03H03B2202/082H03B2202/084H05K1/181H05K2201/10075
    • A wiring pattern for oscillation input signal and a wiring pattern for oscillation output signal are provided on a printed circuit board, and a wiring pattern for ground power source voltage is arranged in a region therebetween. A quartz crystal unit is connected between the wiring pattern for oscillation input signal and the wiring pattern for oscillation output signal and one ends of capacitors serving as load capacitors thereof are connected to the wiring pattern for ground power source voltage. Further, a wiring pattern for VSS is arranged so as to enclose these wiring patterns, and a wiring pattern for VSS is arranged also in a lower layer in addition thereto. By this means, reduction of a parasitic capacitance between an XIN node and an XOUT node, improvement in noise tolerance of these nodes and others can be achieved.
    • 用于振荡输入信号的布线图案和用于振荡输出信号的布线图案设置在印刷电路板上,并且用于接地电源电压的布线图案布置在它们之间的区域中。 在用于振荡输入信号的布线图案和振荡输出信号的布线图案之间连接石英晶体单元,并且将其作为负载电容器的电容器的一端连接到地电源电压的布线图案。 此外,为了包围这些布线图案,布置有用于VSS的布线图案,并且除此之外,还布置有用于VSS的布线图案。 通过这种方式,可以实现XIN节点和XOUT节点之间的寄生电容的减小,这些节点等的噪声容限的改善。
    • 8. 发明授权
    • Ovenized crystal oscillator assembly
    • 炉式晶体振荡器组件
    • US08022777B2
    • 2011-09-20
    • US12380313
    • 2009-02-26
    • James L. StolpmanJeffrey A. McCracken
    • James L. StolpmanJeffrey A. McCracken
    • H03L1/04
    • H03L1/04H05K1/0212H05K1/0243H05K1/181H05K3/403H05K2201/09181H05K2201/10022H05K2201/10075H05K2201/10151H05K2203/165
    • An oscillator assembly including an oscillator seated on a pad of thermally conductive material formed on the surface of a printed circuit board and covered by a lid defining an oven for the oscillator. In one embodiment, a plurality of heaters are located on different sides of the oscillator and at least partially seated on the pad for evenly transferring heat to the pad and the oscillator. In one embodiment, the oscillator is a temperature compensated crystal oscillator and an integrated amplifier controller circuit on the printed circuit board integrates at least one operational amplifier for controlling the heater(s) and one or more transistors for providing heat to the oven. A canopy seated on the pad and covering the oscillator can be used for transferring heat more evenly to the oscillator. A cavity in the bottom of the printed circuit board defines an insulative air pocket.
    • 一种振荡器组件,包括位于印刷电路板的表面上形成并由限定用于振荡器的烘箱的盖子覆盖的导热材料垫上的振荡器。 在一个实施例中,多个加热器位于振荡器的不同侧,并且至少部分地位于该垫上,以将热量均匀地传递到该垫和该振荡器。 在一个实施例中,振荡器是温度补偿晶体振荡器,并且印刷电路板上的集成放大器控制器电路集成了至少一个用于控制加热器的运算放大器和用于向烘箱提供热量的一个或多个晶体管。 位于垫上并覆盖振荡器的顶盖可用于将热量更均匀地传递到振荡器。 印刷电路板底部的空腔限定了绝缘气囊。
    • 9. 发明申请
    • Shock damping system for a surface mounted vibration sensitive device
    • 用于表面安装的振动敏感装置的减震系统
    • US20110108312A1
    • 2011-05-12
    • US12943564
    • 2010-11-10
    • Karoly BeczePee-Jay Lanneville
    • Karoly BeczePee-Jay Lanneville
    • H05K1/00H05K3/30
    • H05K3/325H05K2201/0314H05K2201/10075H05K2201/10393H05K2201/10409H05K2201/10598H05K2201/2045Y10T29/4913
    • The inventive shock damping system for vibration sensitive surface mounted devices consists of an elastomeric material having conductive fiber material disposed between a printed circuit board (PCB) and a surface mounted device. Once disposed between PCB and surface mounted device, the elastomeric material, the PCB and the surface mounted device are compressed together with a component restraining system, to provide a secure electrical connection between one or more interconnect pads conductively attached to surface mounted device and the PCB. The elastomeric material allows signals and current to flow between surface mounted device and PCB without the use of any attached wires or leads while at the same time providing a system for damping any shocks or vibrations that may be transferred to surface mounted device through the PCB or through the protective component restraining system that encloses the device and the elastomeric material.
    • 用于振动敏感表面安装装置的本发明的减震系统由具有设置在印刷电路板(PCB)和表面安装装置之间的导电纤维材料的弹性体材料组成。 一旦设置在PCB和表面安装的装置之间,弹性体材料,PCB和表面安装的装置与部件约束系统一起压缩,以提供导电连接到表面安装的装置和PCB之间的一个或多个互连焊盘之间的安全的电连接 。 弹性体材料允许信号和电流在表面安装的装置和PCB之间流动,而不使用任何附接的导线或引线,同时提供用于阻尼任何冲击或振动的系统,所述冲击或振动可通过PCB传递到表面安装的装置,或 通过包围装置和弹性体材料的保护部件限制系统。
    • 10. 发明申请
    • CONSTANT-TEMPERATURE TYPE CRYSTAL OSCILLATOR
    • 恒温型晶体振荡器
    • US20100231309A1
    • 2010-09-16
    • US12721130
    • 2010-03-10
    • Junichi ARAI
    • Junichi ARAI
    • H03B1/00
    • H03B1/02H05K1/0201H05K1/181H05K2201/10022H05K2201/10075H05K2201/10151H05K2201/10522H05K2203/165
    • A constant-temperature type crystal oscillator includes: a surface-mount crystal unit, in which a crystal element is housed in a case main body to hermetically encapsulate the crystal element with a metal cover, and which includes a crystal terminal serving as a mounting terminal that is electrically connected to at least the crystal element on an outer bottom face of the case main body; a thermistor that detects an operational temperature of the surface-mount crystal unit; and a circuit substrate, on which elements forming an oscillator circuit and elements forming a temperature control circuit along with the thermistor are installed. The thermistor includes a first and second terminal electrode and a temperature detecting electrode that is electrically independent of the first and second terminal electrode. The temperature detecting electrode is electrically connected to the crystal terminal of the surface-mount crystal unit through a circuit pattern formed on the circuit substrate.
    • 恒温型晶体振荡器包括:表面安装晶体单元,其中晶体元件容纳在壳体主体中,以用金属盖密封晶体元件,并且包括用作安装端子的晶体端子 其至少与壳体主体的外底面上的晶体元件电连接; 检测表面安装晶体单元的工作温度的热敏电阻; 以及电路基板,其上安装有形成振荡器电路的元件和与热敏电阻一起形成温度控制电路的元件。 该热敏电阻包括与第一和第二端子电极电独立的第一和第二端子电极和温度检测电极。 温度检测电极通过形成在电路基板上的电路图案与表面安装晶体单元的晶体端子电连接。