Military precision components（laser resonator、infrared detector、Precision optical prism、Guidance components、Gyroscope window）It is the core unit of national defense equipment，Its accuracy、Stability and durability directly determine the upper limit of equipment performance。according to《General technical specifications for military precision components》（GJB 190-1986），Dimensional accuracy of military precision components≤±0.001mm，Optical performance deviation≤0.1%，And it needs to be within the temperature difference、vibration、Maintain stability under high humidity and other working conditions，And minor pollution、Fogging and condensation、surface wear，It is the core cause of device performance drift or failure。

Vacuum coating is the core process for improving the reliability of military precision components，Weichuang Vacuum relies on high-purity coating materials、Low stress dense membrane system、Precision coating process and maintenance capability of imported equipment，Ensure high consistency of components in mass production、high reliability、High quality rate。超亲水膜层的精准应用，Provides flexibility for precision components、Efficient surface protection solution，It is to solve the problems of minor pollution and fogging、Important support for ensuring long-term stable operation of devices。

High precision for military precision components、High stability requirements，Case Study of Weichuang Vacuum Design Special Film System，No substrate mounting description，Clearly define the reference coating materials for each film system（For technical personnel to design reference），All fit togetherGJB 190-1986军用精密标准，as follows：

（1） laser resonator（1064nm波段）Specialized low loss anti reflective film system（case1）：Reference coating material selectionZrO₂（Zirconia）+ MgF₂（Magnesium fluoride），Using electron beam evaporation+离子辅助沉积（IAD）工艺制prepare，Core technical parameters：Ion source current1-2A，Sedimentation rate0.05-0.15nm/s，coating thickness120-150nm（公差≤±1nm），膜系损耗≤0.1%，refractive index1.52-1.98，adhesion≥45N，Friction resistance times≥10000次（load200g），high and low temperature resistance（-55℃～+70℃）Cycle without cracking；core functionality：Reduce laser energy loss，Improve laser transmission efficiency and resonance stability，Reduce power fluctuations（≤±0.5%），Suitable for military laser guidance、Core precision components such as laser communication，Ensure stable transmission of laser signals。

（2） Infrared detector specific anti reflection+Passivation composite film system（case2）：Reference coating material selectionGeO₂（Germanium oxide）+ Al₂O₃（alumina），Preparation using electron beam evaporation process，Core technical parameters：Sedimentation rate0.1-0.2nm/s，coating thickness30-50nm（钝化层10-20nm，抗反射层20-30nm），refractive index1.48-2.10，8-14μmInfrared band transmittance≥97%，reflectance≤0.3%，Passivation layer breakdown voltage≥100V，noise voltage≤0.1mV；core functionality：抗反射、防污染、Passivation protection，Reduce infrared signal attenuation，Reduce detector noise，Enhance detection sensitivity≥20%，Avoid water vapor、Detection failure caused by impurity contamination，Suitable for various military infrared detectors and precision components。

（3） High stability anti reflective protective film system specifically designed for gyroscope windows（case3）：Reference coating material selectionSiO₂（silica）+ ZrO₂（Zirconia），Using electron beam evaporation+Preparation of Magnetron Sputtering Composite Process，Core technical parameters：deposition temperature200-300℃，coating thickness80-100nm（公差≤±1nm），refractive index1.48-2.10，Transmittance≥98%，flatness≤0.0005mm，热膨胀系数≤5×10⁻⁷/℃，vibration-resistant（10-2000Hz）No detachment；core functionality：Reduce refraction errors of light rays，Improve gyroscope positioning accuracy（定位误差≤0.001°），Resist vibration、温差带来的膜层变形，Ensure stable operation of gyroscope，Adapt to military guided gyroscope、惯性导航陀螺仪精密窗口。

Weichuang Vacuum is deeply involved in the field of coating for military precision components，All membrane systems pass throughGJB 190-1986军用精密标准验证，Mass production dimensional accuracy deviation≤±0.001mm，Optical performance consistency deviation≤0.1%；The combination of high-purity coating materials and precision coating processes，Can effectively improve the stability and durability of precision components；Imported coating equipment（Electron beam evaporator、Magnetron sputtering machine）维保服务，Can ensure the stability of mass production。Relying on precision membrane design and superhydrophilic protection technology，Weichuang vacuum assists military precision components“just right、稳定可靠”，Provide core support for the performance upgrade of national defense equipment。