Glass LIDs are components assembled with various optical windows and metal frames by joining them and is used as a lid for packages such as LEDs, lasers, and MEMS. Yamamura Photonics offers two types of LIDs (seam welding type and AuSn type) according to the joining method for the cavity.
The seam welding type is designed with a thin metal frame flange thickness and can be joined to the cavity by seam welding. We propose custom-designed products, and we can handle from small ones with a size of a few mm up to a large one with a size of several tens of mm. In addition, it is possible to handle shapes such as tilting windows, which contributes to measures against return light.
PRODUCTS
OPTICAL PARTS
Glass LID
Glass LID for Seam welding
OUTLINE
FEATURES
Two types of joining methods
Yamamura Photonics has two types of joining methods of glass and metal frames.
・Sealing glass type
A standard type joined using sealing glass. We select window materials and metals according to the application. Sealing glass type LIDs are used in a wide range of applications such as LEDs, MEMS packages, and LiDAR.
・Directly joined type
A type in which the window material and the metal frame are directly joined without sealing glass. The height can be reduced because of its fewer parts, but the choice of window material and metal material is limited in this type. The directly joined type LIDs have been adopted mainly for LED packages.
Custom design support
We can provide custom designs, including optical coatings for ultraviolet rays and mid-infrared applications. We propose the optimum design according to the application and required characteristics.
Size: □ 3mm ～ □ 26mm
Frame Material: Kovar, 50FeNi
Window Material: Borosilicate glass, UV transparent glass, quartz, sapphire, Ge
Optical design
Cap / LID for infrared and UV
Design achievements of various shapes
Through the experience of providing custom designs according to the application, we have products with various shapes such as square or rectangular frames, round and square windows, and stepped shapes, etc. In addition, we can provide tilted window products.
Standard Samples
coming soon
