The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2012
Filed:
Jun. 07, 2011
Yvonne Menke, Mainz, DE;
Ulrich Peuchert, Bodenheim, DE;
Yoshio Okano, Mainz, DE;
Steffen Reichel, Mehlingen, DE;
Yvonne Menke, Mainz, DE;
Ulrich Peuchert, Bodenheim, DE;
Yoshio Okano, Mainz, DE;
Steffen Reichel, Mehlingen, DE;
Schott AG, Mainz, DE;
Abstract
The method for producing at least one rotationally symmetrical lens consisting of an opto-ceramic includes the step of moulding a ceramic green body for the lens, wherein the mould has a shaping surface, which is described by the following equation B: ygives a position on an optical axis; x designates a perpendicular distance from the optical axis to the surface; k, c, and a, a, a, a, . . . are constants describing a surface of the lens to be moulded and z=|x|+b, wherein b is a constant with a value greater than 0 and less than 0.3 mm, which is a measure of a deviation of the shaping surface from the surface of the lens.