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Chemical polishing - Wholesaler - China

ChinaWholesaler
  1. JINAN JINGZHENG ELECTRONICS CO,. LTD

    China

    The fabrication technology of the lithium niobate (LiNbO3, LN) thin film is briefly described in the figures below, which is based on ion implantation and wafer bonding. A lithium niobate wafer is implanted with H or He ions, and the implanted depth is decided by the ion energy. With another lithium niobate wafer a SiO2 layer is deposited. Then the implanted wafer is cleaned and bonded to the deposited wafer. After bonding, the wafers are thermal treated. During the thermal treatment process, the layer is split-off from the donor wafer as a single-crystal film. A further annealing step is used to strengthen the bonding, finally a chemical mechanical polishing (CMP) process is used to smooth the surface. In this way, high-quality single-crystal lithium niobate thin film with a thickness of several hundred nanometers is produced.

  2. QINGDAO DAXIANG APPAREL ACCESSORIES CO.LTD

    China

    General descriptionColor: According to your requirementSize: Any size is welcome and available as your favorDelivery Time: Within 10-15 days after confirming the orderMOQ: 1000PCSPayment Term: T/T L/C West UnionMaterial: RivetsUsage: Jeans , coat, garmentCraft: embossed, engraved, plating or polish Place of Origin: Qingdao, ChinaFeature: Washable, Dry cleaning, Chemical free, Eco-friendlyShipping way: DHL/UPS/EMS/FEDEX/TNT etcThe reason to choose daxiang button1.More than 10 years professional produce button experience 2.Strict quality control.OEKO-TEX 100 class available3. Excellent designer team based on the latest fashion concept 4.Manufacturer direct supplying.Competitive price 5.OEM/ODM service is offered6.Timely shipment and delivery fast About usQingdao Daxiang apparel accessories Co., Ltd is a professional accessories enterprise with the combination of Design , R&D , Manufacturing and selling. The main products are shank buttons, snap buttons, rivets, fashion sew-on buttons .Our company owns a

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