TXC Corporation

Taoyuan, Taiwan

TXC Corporation

Taoyuan, Taiwan
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Chu C.-C.,National Tsing Hua University | Liu T.-Y.,National Tsing Hua University | Chen T.-M.,Industrial Technology Research Institute of Taiwan | Weng C.-H.,TXC Corporation | And 2 more authors.
Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS) | Year: 2017

A real-time aerosol sensor utilizing an SOI-MEMS thermal-piezoresistive oscillator (TPO) has been demonstrated in this work with sensor calibration using a commercial optical aerosol sensor (OAS). As compared to the self-sustained TPO [1], the DC power and operating temperature of the device can be significantly reduced by integrating the MEMS resonators and sustaining circuits, which leads to a longer lifetime and better reliability with lower power consumption and makes it a viable candidate for environmental sensing applications. The mass resolution of the proposed device is 3.34 fg extracted from a measured Allan deviation of 35 ppb, which is orders of magnitude higher than the commercially available quartz crystal microbalance (QCM). In addition, the proposed TPO technology also benefits cost reduction through the SOI-MEMS batch process as compared to its optical counterparts. Finally, the particulate matter (PM) sensing measurement under oxide (solid-phase PM1, μm diameter) and smoke (liquid-phase PM1, μm diameter) has shown a high correlation between the frequency slope of the TPO and the calibrated readings from the OAS. © 2017 IEEE.


Shih J.-Y.,National Chiao Tung University | Chen Y.-C.,TXC Corporation | Chiu C.-H.,TXC Corporation | Hu Y.-C.,National Chiao Tung University | And 3 more authors.
IEEE Electron Device Letters | Year: 2013

An advanced crystal resonator device scheme using Cu through-silicon via (TSV), 3-D integration, and Si packaging technologies is successfully demonstrated. In addition to robust structural quality, the crystal resonator packaging has excellent electrical characteristics of low leakage current and reliability against harsh environment for MIL-STD-883 hermetic encapsulation. Using 3-D integration technologies and Si packaging, the proposed TSV-based crystal resonator device possesses the manufacturability potential while conventional ones using a metal lid or ceramic enclosure. © 1980-2012 IEEE.


Shih J.-Y.,National Chiao Tung University | Chen Y.-C.,TXC Corporation | Chiu C.-H.,TXC Corporation | Chen K.-N.,National Chiao Tung University
IEEE Electron Device Letters | Year: 2014

Motional resistance of TSV-based resonator devices with 3D integration techniques is investigated at the operating oscillating mode. Even with well-developed TSV and device fabrication, the motional resistance issue of the TSV-based resonator device is found due to the poor connected Ag paste. The corresponding solution is demonstrated by a modified concave Cu TSVs structure. This modified concave Cu TSV design shows the excellent device characteristics and no visible gaps between the Cu TSVs and resonator devices to insure a good electrical connection. © 1980-2012 IEEE.


News Article | November 3, 2016
Site: www.newsmaker.com.au

A VCXO (voltage controlled crystal oscillator) is a crystal oscillator which includes a varactor diode and associated circuitry allowing the frequency to be changed by application of a voltage across that diode. This can be accomplished in a simple clock or sinewave crystal oscillator, a TCXO (resulting in a TC/VCXOtemperature compensated voltage controlled crystal oscillator), or an oven controlled type (resulting in an OC/VCXO-oven controlled voltage crystal oscillator). Scope of the Report: This report focuses on the Voltage Controlled Crystal Oscillator in Global market, especially in North America, Europe and Asia-Pacific, Latin America, Middle East and Africa. This report categorizes the market based on manufacturers, regions, type and application. Market Segment by Manufacturers, this report covers Epson NDK America Inc. Vectron Crystek Bliley Technologies Inc. Abracon CTS Pletronics Rakon Microchip IDT(Integrated Device Technologies) AVX ON Semiconductor Silicon Laboratories Ecliptek SiTime TXC Corporation kyocera Kinseki Bomar Crystal Company Cardinal Components IQD Frequency Products NEL Frequency Controls Inc. Taitien Market Segment by Regions, regional analysis covers North America (USA, Canada and Mexico) Europe (Germany, France, UK, Russia and Italy) Asia-Pacific (China, Japan, Korea, India and Southeast Asia) Latin America, Middle East and Africa Market Segment by Applications, can be divided into Communication Equipment Industrial Instrument Other There are 13 Chapters to deeply display the global Voltage Controlled Crystal Oscillator market. Chapter 2, to analyze the top manufacturers of Voltage Controlled Crystal Oscillator , with sales, revenue, and price of Voltage Controlled Crystal Oscillator , in 2015 and 2016; Chapter 3, to display the competitive situation among the top manufacturers, with sales, revenue and market share in 2015 and 2016; Chapter 4, to show the global market by regions, with sales, revenue and market share of Voltage Controlled Crystal Oscillator , for each region, from 2011 to 2016; Chapter 5, 6, 7 and 8, to analyze the key regions, with sales, revenue and market share by key countries in these regions; Chapter 9 and 10, to show the market by type and application, with sales market share and growth rate by type, application, from 2011 to 2016; Chapter 11, Voltage Controlled Crystal Oscillator market forecast, by regions, type and application, with sales and revenue, from 2016 to 2021; Chapter 12 and 13, to describe Voltage Controlled Crystal Oscillator sales channel, distributors, traders, dealers, appendix and data source. Global Voltage Controlled Crystal Oscillator Market by Manufacturers, Regions, Type and Application, Forecast to 2021 1 Market Overview 1.1 Voltage Controlled Crystal Oscillator Introduction 1.2 Market Analysis by Type 1.2.1 Output PECL 1.2.2 Output CMOS 1.2.3 Output SINEWAVE 1.3 Market Analysis by Applications 1.3.1 Communication Equipment 1.3.2 Industrial Instrument 1.3.3 Other 1.4 Market Analysis by Regions 1.4.1 North America (USA, Canada and Mexico) 1.4.1.1 USA 1.4.1.2 Canada 1.4.1.3 Mexico 1.4.2 Europe (Germany, France, UK, Russia and Italy) 1.4.2.1 Germany 1.4.2.2 France 1.4.2.3 UK 1.4.2.4 Russia 1.4.2.5 Italy 1.4.3 Asia-Pacific (China, Japan, Korea, India and Southeast Asia) 1.4.3.1 China 1.4.3.2 Japan 1.4.3.3 Korea 1.4.3.4 India 1.4.3.5 Southeast Asia 1.4.4 Latin America, Middle East and Africa 1.4.4.1 Brazil 1.4.4.2 Egypt 1.4.4.3 Saudi Arabia 1.4.4.4 South Africa 1.4.4.5 Nigeria 1.5 Market Dynamics 1.5.1 Market Opportunities 1.5.2 Market Risk 1.5.3 Market Driving Force 2 Manufacturers Profiles 2.1 Epson 2.1.1 Business Overview 2.1.2 Voltage Controlled Crystal Oscillator Type and Applications 2.1.2.1 Type 1 2.1.2.2 Type 2 2.1.3 Epson Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.2 NDK America Inc. 2.2.1 Business Overview 2.2.2 Voltage Controlled Crystal Oscillator Type and Applications 2.2.2.1 Type 1 2.2.2.2 Type 2 2.2.3 NDK America Inc. Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.3 Vectron 2.3.1 Business Overview 2.3.2 Voltage Controlled Crystal Oscillator Type and Applications 2.3.2.1 Type 1 2.3.2.2 Type 2 2.3.3 Vectron Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.4 Crystek 2.4.1 Business Overview 2.4.2 Voltage Controlled Crystal Oscillator Type and Applications 2.4.2.1 Type 1 2.4.2.2 Type 2 2.4.3 Crystek Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.5 Bliley Technologies Inc. 2.5.1 Business Overview 2.5.2 Voltage Controlled Crystal Oscillator Type and Applications 2.5.2.1 Type 1 2.5.2.2 Type 2 2.5.3 Bliley Technologies Inc. Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.6 Abracon 2.6.1 Business Overview 2.6.2 Voltage Controlled Crystal Oscillator Type and Applications 2.6.2.1 Type 1 2.6.2.2 Type 2 2.6.3 Abracon Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.7 CTS 2.7.1 Business Overview 2.7.2 Voltage Controlled Crystal Oscillator Type and Applications 2.7.2.1 Type 1 2.7.2.2 Type 2 2.7.3 CTS Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.8 Pletronics 2.8.1 Business Overview 2.8.2 Voltage Controlled Crystal Oscillator Type and Applications 2.8.2.1 Type 1 2.8.2.2 Type 2 2.8.3 Pletronics Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.9 Rakon 2.9.1 Business Overview 2.9.2 Voltage Controlled Crystal Oscillator Type and Applications 2.9.2.1 Type 1 2.9.2.2 Type 2 2.9.3 Rakon Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.10 Microchip 2.10.1 Business Overview 2.10.2 Voltage Controlled Crystal Oscillator Type and Applications 2.10.2.1 Type 1 2.10.2.2 Type 2 2.10.3 Microchip Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.11 IDT(Integrated Device Technologies) 2.11.1 Business Overview 2.11.2 Voltage Controlled Crystal Oscillator Type and Applications 2.11.2.1 Type 1 2.11.2.2 Type 2 2.11.3 IDT(Integrated Device Technologies) Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.12 AVX 2.12.1 Business Overview 2.12.2 Voltage Controlled Crystal Oscillator Type and Applications 2.12.2.1 Type 1 2.12.2.2 Type 2 2.12.3 AVX Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.13 ON Semiconductor 2.13.1 Business Overview 2.13.2 Voltage Controlled Crystal Oscillator Type and Applications 2.13.2.1 Type 1 2.13.2.2 Type 2 2.13.3 ON Semiconductor Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.14 Silicon Laboratories 2.14.1 Business Overview 2.14.2 Voltage Controlled Crystal Oscillator Type and Applications 2.14.2.1 Type 1 2.14.2.2 Type 2 2.14.3 Silicon Laboratories Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.15 Ecliptek 2.15.1 Business Overview 2.15.2 Voltage Controlled Crystal Oscillator Type and Applications 2.15.2.1 Type 1 2.15.2.2 Type 2 2.15.3 Ecliptek Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.16 SiTime 2.16.1 Business Overview 2.16.2 Voltage Controlled Crystal Oscillator Type and Applications 2.16.2.1 Type 1 2.16.2.2 Type 2 2.16.3 SiTime Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.17 TXC Corporation 2.17.1 Business Overview 2.17.2 Voltage Controlled Crystal Oscillator Type and Applications 2.17.2.1 Type 1 2.17.2.2 Type 2 2.17.3 TXC Corporation Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.18 kyocera Kinseki 2.18.1 Business Overview 2.18.2 Voltage Controlled Crystal Oscillator Type and Applications 2.18.2.1 Type 1 2.18.2.2 Type 2 2.18.3 kyocera Kinseki Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.19 Bomar Crystal Company 2.19.1 Business Overview 2.19.2 Voltage Controlled Crystal Oscillator Type and Applications 2.19.2.1 Type 1 2.19.2.2 Type 2 2.19.3 Bomar Crystal Company Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.20 Cardinal Components 2.20.1 Business Overview 2.20.2 Voltage Controlled Crystal Oscillator Type and Applications 2.20.2.1 Type 1 2.20.2.2 Type 2 2.20.3 Cardinal Components Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.21 IQD Frequency Products 2.21.1 Business Overview 2.21.2 Voltage Controlled Crystal Oscillator Type and Applications 2.21.2.1 Type 1 2.21.2.2 Type 2 2.21.3 IQD Frequency Products Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.22 NEL Frequency Controls Inc. 2.22.1 Business Overview 2.22.2 Voltage Controlled Crystal Oscillator Type and Applications 2.22.2.1 Type 1 2.22.2.2 Type 2 2.22.3 NEL Frequency Controls Inc. Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 2.23 Taitien 2.23.1 Business Overview 2.23.2 Voltage Controlled Crystal Oscillator Type and Applications 2.23.2.1 Type 1 2.23.2.2 Type 2 2.23.3 Taitien Voltage Controlled Crystal Oscillator Sales, Price, Revenue, Gross Margin and Market Share 3 Global Voltage Controlled Crystal Oscillator Market Competition, by Manufacturer 3.1 Global Voltage Controlled Crystal Oscillator Sales and Market Share by Manufacturer 3.2 Global Voltage Controlled Crystal Oscillator Revenue and Market Share by Manufacturer 3.3 Market Concentration Rate 3.3.1 Top 3 Voltage Controlled Crystal Oscillator Manufacturer Market Share 3.3.2 Top 6 Voltage Controlled Crystal Oscillator Manufacturer Market Share 3.4 Market Competition Trend 4 Global Voltage Controlled Crystal Oscillator Market Analysis by Regions 4.1 Global Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Regions 4.1.1 Global Voltage Controlled Crystal Oscillator Sales by Regions (2011-2016) 4.1.2 Global Voltage Controlled Crystal Oscillator Revenue by Regions (2011-2016) 4.2 North America Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 4.3 Europe Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 4.4 Asia-Pacific Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 4.5 Latin America Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 4.6 Middle East and Africa Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 5 North America Voltage Controlled Crystal Oscillator by Countries 5.1 North America Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Countries 5.1.1 North America Voltage Controlled Crystal Oscillator Sales by Countries (2011-2016) 5.1.2 North America Voltage Controlled Crystal Oscillator Revenue by Countries (2011-2016) 5.2 USA Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 5.3 Canada Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 5.4 Mexico Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 6 Europe Voltage Controlled Crystal Oscillator by Countries 6.1 Europe Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Countries 6.1.1 Europe Voltage Controlled Crystal Oscillator Sales by Countries (2011-2016) 6.1.2 Europe Voltage Controlled Crystal Oscillator Revenue by Countries (2011-2016) 6.2 Germany Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 6.3 UK Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 6.4 France Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 6.5 Russia Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 6.6 Italy Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 7 Asia-Pacific Voltage Controlled Crystal Oscillator by Countries 7.1 Asia-Pacific Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Countries 7.1.1 Asia-Pacific Voltage Controlled Crystal Oscillator Sales by Countries (2011-2016) 7.1.2 Asia-Pacific Voltage Controlled Crystal Oscillator Revenue by Countries (2011-2016) 7.2 China Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 7.3 Japan Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 7.4 Korea Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 7.5 India Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 7.6 Southeast Asia Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 8 Latin America, Middle East and Africa Voltage Controlled Crystal Oscillator by Countries 8.1 Latin America, Middle East and Africa Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Countries 8.1.1 Latin America, Middle East and Africa Voltage Controlled Crystal Oscillator Sales by Countries (2011-2016) 8.1.2 Latin America, Middle East and Africa Voltage Controlled Crystal Oscillator Revenue by Countries (2011-2016) 8.2 Brazil Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 8.3 Saudi Arabia Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 8.4 Egypt Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 8.5 Nigeria Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 8.6 South Africa Voltage Controlled Crystal Oscillator Sales and Growth (2011-2016) 9 Voltage Controlled Crystal Oscillator Market Segment by Type 9.1 Global Voltage Controlled Crystal Oscillator Sales, Revenue and Market Share by Type (2011-2016) 9.1.1 Global Voltage Controlled Crystal Oscillator Sales and Market Share by Type (2011-2016) 9.1.2 Global Voltage Controlled Crystal Oscillator Revenue and Market Share by Type (2011-2016) 9.2 Output PECL Sales Growth and Price 9.2.1 Global Output PECL Sales Growth (2011-2016) 9.2.2 Global Output PECL Price (2011-2016) 9.3 Output CMOS Sales Growth and Price 9.3.1 Global Output CMOS Sales Growth (2011-2016) 9.3.2 Global Output CMOS Price (2011-2016) 9.4 Output SINEWAVE Sales Growth and Price 9.4.1 Global Output SINEWAVE Sales Growth (2011-2016) 9.4.2 Global Output SINEWAVE Price (2011-2016) 10 Voltage Controlled Crystal Oscillator Market Segment by Application 10.1 Global Voltage Controlled Crystal Oscillator Sales Market Share by Application (2011-2016) 10.2 Communication Equipment Sales Growth (2011-2016) 10.3 Industrial Instrument Sales Growth (2011-2016) 10.4 Other Sales Growth (2011-2016) 10.5 Sales Growth (2011-2016) 11 Voltage Controlled Crystal Oscillator Market Forecast (2016-2021) 11.1 Global Voltage Controlled Crystal Oscillator Sales, Revenue and Growth Rate (2016-2021) 11.2 Voltage Controlled Crystal Oscillator Market Forecast by Regions (2016-2021) 11.3 Voltage Controlled Crystal Oscillator Market Forecast by Type (2016-2021) 11.4 Voltage Controlled Crystal Oscillator Market Forecast by Application (2016-2021) 12 Sales Channel, Distributors, Traders and Dealers 12.1 Sales Channel 12.1.1 Direct Marketing 12.1.2 Indirect Marketing 12.1.3 Marketing Channel Future Trend 12.2 Distributors, Traders and Dealers 13 Appendix 13.1 Methodology 13.2 Analyst Introduction 13.3 Data SourceList of Tables and Figures Get It Now @ https://www.wiseguyreports.com/checkout?currency=one_user-USD&report_id=721423


Chen Y.-Y.,Tatung University | Lin Y.-R.,Tatung University | Wu T.-T.,National Taiwan University | Pao S.-Y.,TXC Corporation
2015 IEEE International Ultrasonics Symposium, IUS 2015 | Year: 2015

This study aims at developing an AT-cut quartz resonator with low anchor loss. Phononic crystals are utilized for trapping acoustic energy and reducing anchor loss of the AT-cut quartz resonators. Finite element analyses of the AT-cut quartz resonators with phononic crystals and the lossy epoxy attachments are presented herein. The resonance response of an AT-cut quartz resonator with no phononic crystal was first calculated. A square-lattice phononic crystal plate, made of an AT-cut quartz plate with air holes, was analyzed and designed to have a complete band gap covering the quartz resonator's resonance frequency. Finally, the mode shape and impedance of the quartz resonator with 3 rows of phononic crystals were calculated to evaluate the isolation performance of the phononic crystals. Results show the quartz resonator with the through-hole phononic crystals exhibits a good energy confinement inside electrode area and small impedance. Accordingly, the phononic crystal is verified to be capable of reducing anchor loss in an AT-cut quartz resonator. © 2015 IEEE.


Hsu H.-M.,National Chung Hsing University | Huang J.-H.,New Construction Office | Peng T.-H.,TXC Corporation | Liu N.-C.,National Chung Hsing University
IEEE Transactions on Electron Devices | Year: 2012

This paper examines the effect of coil length on the turn ratio and coupling coefficient of an on-chip transformer with multiple metal layers. This paper develops a transformer layout that utilizes one winding loop in a metal layer with a ladder where the pieces of metal between two coils crossed. According to the relevant analytical formula, a transformer is properly arranged with two coil locations to ensure high performance. To demonstrate the proposed algorithm, a total of five devices are fabricated using 0.13-μm CMOS technology. Measurements reveal that the proposed transformer has a turn ratio of n = 5.59, a coupling coefficient of k = 0.7, and an inductance density of 1052 nH/mm 2. © 2012 IEEE.


Patent
Txc Corporation | Date: 2013-12-12

A package structure of crystal oscillator with embedded thermistor is disclosed. The package structure comprises a ceramic substrate. A crystal oscillation device is mounted in the accommodation space of the ceramic substrate. A cover is used to seal the accommodation space. At least one thermistor is embedded in the ceramic substrate. A patterned metal interconnection in the ceramic substrate is electrically connected with the crystal oscillation device and the thermistor, respectively. The present invention describes as follows: the thermistor is directly embedded in the ceramic substrate to avoid the short-circuit problem caused by electroplating a thermistor exposed and shorten a distance between the thermistor and the crystal oscillation device. Thus, the thermistor can more precisely sense the operating temperature of the crystal oscillation device to timely compensate frequency drift caused by changing the temperature of the crystal oscillation device.


Patent
Txc Corporation | Date: 2013-08-16

A package device for a microelectromechanical inertial sensor comprises a ceramic substrate having an upper accommodation space and a lower accommodation and having a plurality of interconnect metal lines thereinside; a microelectromechanical system (MEMS) chip mounted inside the upper accommodation of the ceramic substrate and electrically connected with the interconnect metal lines; a top cover arranged on the ceramic substrate and sealing the upper accommodation space; and an integrated circuit (IC) chip mounted inside the lower accommodation space and electrically connected with the interconnect metal lines. The present invention can improve the reliability of components, increase the yield and decrease the fabrication cost.


An oven controlled crystal oscillator using an embedded heating device package is disclosed. The oven controlled crystal oscillator, which is different from the conventional technology using a heating source independent from a quartz crystal package, integrates a heating resistor in a ceramic package structure of the quartz crystal and cooperates with a temperature-controlled circuit to heat a quartz blank in the quartz crystal package, thereby shortening thermal conduction paths, increasing thermal conduction efficiency and greatly reducing thermal dissipation. The present invention further uses an exterior and independent heating resistor, combining with the heating resistor in the quartz crystal package and controlled by the temperature-controlled circuit to form a sandwich structure so that heat is more concentrated to use, thereby stabilizing the interior temperature of a constant temperature oven and the output frequency of an oscillator.


The present invention provides a TSV-based oscillator WLP structure and a method for fabricating the same. The method of the present invention comprises steps: providing a silicon base having an oscillator unit disposed thereon; forming on the silicon base at least one package ring surrounding the oscillator unit; and disposing a silicon cap on the package ring to envelop the oscillator unit. The present invention adopts a cap and a base, which are made of the same material, to effectively overcome the problem of thermal stress occurring in a conventional sandwich package structure. Further, the present invention elaborately designs the wiring on the lower surface of the base to reduce the package size and decrease consumption of noble metals.

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