Hemispherical Element

Hemispherical Element

Supplier
Hntcjg
Category
Optical Tables and Breadboards
Origin
China

A hemispherical resonator gyroscope senses base rotation through precession of radial standing-wave vibrations at the rim of a hemispherical shell. Described as a ge-type vibratory gyroscope (source term), it offers high measurement accuracy, exceptional stability and reliability, and long service life. It is a key component in inertial measurement units and attitude stabilization. The hemispherical element is its core sensing component, whose accuracy critically affects overall gyroscope performance.

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Overview

A hemispherical resonator gyroscope senses base rotation through precession of radial standing-wave vibrations at the rim of a hemispherical shell. Described as a ge-type vibratory gyroscope (source term), it offers high measurement accuracy, exceptional stability and reliability, and long service life. It is a key component in inertial measurement units and attitude stabilization. The hemispherical element is its core sensing component, whose accuracy critically affects overall gyroscope performance.

Specifications

ParameterValue
Quality Factor [After Grinding and Polishing]≥4000000
Hemisphere Roundness [After Grinding and Polishing]≤0.3μm
Coaxiality [After Grinding and Polishing]≤0.5μm
Surface Roughness [After Grinding and Polishing]2nm
Quality Factor [After Trimming and Acid Pickling]≥45000000
Frequency Splitting [After Trimming and Acid Pickling]≤0.1Hz

Applications

Hemispherical Resonator Gyroscopes, Deep-Space Exploration, Ocean Navigation

Key Features

High Q Factor, Good Product Consistency

Datasheet

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Supplier Information

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Hntcjg
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Hunan Tianchuang Precision Technology Co., Ltd. was founded in September 2021 with a registered capital of 359 million yuan. It is a state-controlled mixed-ownership enterprise led by Hunan Gaoxin Venture Capital Group, located in Jinxia Economic Development Zone, Changsha. The company focuses on R&D and manufacturing of ultra-precision optical components, optical systems, and ultra-precision processing equipment. Its products include aluminum mirrors, monocrystalline silicon mirrors, optical glass mirrors, precision structural parts, hemispherical elements, all-aluminum optical systems, collimators, laser communication terminal optical systems, IBF series ion beam polishing machines, and G240 high-precision grinding and polishing equipment. Widely used in aerospace, scientific instruments, and laser communication, the company aims to become a top-tier comprehensive solution provider of high-end optical components and equipment in China.

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