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cap×山村フォトニクス - List of Manufacturers, Suppliers, Companies and Products

cap Product List

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Optical Component Ball Lens Cap

Optical Component Ball Lens Cap

Mass production can be initiated in a short period! We support our customers' speedy development.

The "Ball Lens Cap" is a component that joins a ball lens, which has been polished with high precision, to a metal can using low-melting-point sealing glass. It is mainly used for light collection and coupling applications, and due to its cost-effectiveness, it has been adopted by many customers both domestically and internationally, particularly in the access systems of optical communications. Yamamura Photonics offers standard-sized caps for TO-CANs, as well as accommodating some design modifications such as height and lens changes, completely new designs for special shapes, and custom designs for optical coatings. 【Features】 ■ High airtightness and high reliability ■ Lineup of standard sizes for TO-CANs ■ Custom design support for size and optical coatings ■ Extensive mass production track record *For more details, please refer to the PDF document or feel free to contact us.

  • Other optical parts

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Optical Component Flat Window Cap

Optical Component Flat Window Cap

From small-scale production to mass production, we have over 20 years of production experience! We can offer a variety of coatings.

The "Flat Window Cap" is a component that joins a metal can and an optical window using low-melting-point sealing glass. It is a part that employs a sealing method capable of achieving high airtightness, and it is widely used in various fields as a packaging component for optical communication, ultraviolet and infrared sensors, LEDs, and visible light lasers, as well as various semiconductor lasers and light-emitting and receiving elements. At Yamamura Photonics, we not only select materials according to the application and the customer's packaging process but also propose appropriate optical coatings. 【Features】 ■ High reliability and high airtightness ■ Full lineup of standard sizes for TO-CAN ■ Custom design support for size and optical coating ■ Extensive mass production track record *For more details, please refer to the PDF document or feel free to contact us.

  • Other optical parts

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Infrared/Ultraviolet products

Infrared/Ultraviolet products

We propose LID/Cap using special window materials such as quartz, sapphire, and Ge.

At Yamamura Photonics Co., Ltd., we handle "infrared/ultraviolet products." With the recent expansion of demand for sterilization applications, there is an increasing need for UV-C packages. We are also focusing on the development of quartz LIDs and contributing to the growth of the ultraviolet market, which is expected to expand further in the future. Additionally, we are developing packages that bond CaF2 and quartz using our original resin, which excels in weather resistance, heat resistance, and airtightness. Please contact us for more details. 【Products Offered】 ■ LID/Cap for Infrared Applications ■ LID/Cap for Ultraviolet Applications *For more details, please refer to the PDF document or feel free to contact us.

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Optical Component: Melted Lens Cap

Optical Component: Melted Lens Cap

Achieving high airtightness and high reliability! Capable of supplying products with stable quality from small to large-scale production.

The "Melted Lens Cap" is a component that directly bonds a glass lens to a metal can through welding. It was developed as a cost-reduction product for ball lens caps, as it does not use precision-ground lenses and does not bond with low-melting-point sealing glass (i.e., it has fewer components). Compared to flat window caps, it has light-gathering capabilities, making it particularly well-suited for use in packages for light-receiving elements. 【Features】 ■ High airtightness and high reliability ■ Contributes to miniaturization ■ Custom design support ■ Abundant mass production track record *For more details, please refer to the PDF materials or feel free to contact us.

  • Other optical parts

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Optical Component: Slanted Window Cap

Optical Component: Slanted Window Cap

We can accommodate design adjustments for tilt angles and optical coatings! We also support custom designs for LID shapes.

The "Slanted Window Cap" is a component that joins an optical window using low-melting-point sealing glass to a metal can with an inclined surface. By angling the window, it is possible to suppress the effects of laser light reflecting off the window and re-entering the element (return light). There is an increasing demand for return light suppression not only in laser packages such as VCSELs but also in MEMS packages. Yamamura Photonics proposes slanted products in addition to cap products, including glass LIDs. 【Features】 ■ High airtightness and high reliability ■ Contributes to return light suppression ■ Custom design support *For more details, please refer to the PDF document or feel free to contact us.

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