Direct bonding methods using lithium

C - Chemistry – Metallurgy – 03 – C

Patent

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C03C 27/06 (2006.01) C04B 37/00 (2006.01) C04B 37/04 (2006.01)

Patent

CA 2481571

Methods of improving the direct bonding of articles are disclosed. Lithium can be incorporated into the composition of one of the articles and/or lithium can be added to a bonding surface by ion exchange, absorption, ion implantation, coating, or deposition. Bonding is achieved without use of adhesives or high temperature fusion. The invention is useful for bonding a wide variety of articles together such as optical components, optical fibers and articles having different coefficients of thermal expansion or refractive indices.

La présente invention concerne des procédés d'amélioration de la liaison directe d'articles. Du lithium peut être incorporé dans la composition d'un des articles et/ou du lithium peut être ajouté à une surface de connexion par échange d'ions, absorption, implantation ionique, revêtement ou dépôt. Une liaison est obtenue sans recourir à des adhésifs ou à une fusion à température élevée. L'invention est utile pour lier une grande diversité d'articles tels que des composants optiques, des fibres optiques et des articles présentant différents coefficients de dilatation thermique ou indices de réfraction.

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