An intervertebral implant is provided, including an upper support body including a dorsal edge, a lower support body including a dorsal edge, and a saddle joint. The saddle joint includes two pivot axes and two saddle-shaped joint surfaces in contact with one another rotated by 90 in relation to one another. The upper and lower support bodies are supported pivotably in relation to one another via the saddle joint.

 
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> Reflective mask useful for transferring a pattern using extreme ultraviolet (EUV) radiation and method of making the same
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