Patent ID: 9550696
Date: 2017-01-24
CPC Classifications: B32B,C03B,C04B,G02B

Claim:
1. A method of producing lightweight structure elements as a composite component of at least two elements, wherein one element is a carrier element at which at least one aperture and/or at least one cut-out is/are formed, and at least one further element is a cover plate; in this respect, a carrier element and at least one cover plate are used which are formed from a glass, a glass ceramic material, a ceramic material and/or silicon having an oxide surface layer which is formed at least in the bonding region of the elements to be connected to one another; and the carrier element has at least a double thickness with respect to the thickness of a cover plate; wherein the surfaces of the cover plate(s) and of the carrier element to be connected to one another in bonding regions are intensely cleaned and are smoothed such that a roughness of the surface is reached there, that they are in direct touching contact with at least 80% of their bonding surfaces with an active compression force on the elements to be bonded together in the range 2 kPa to 1500 kPa exerted using plunger stamp with an elastically deformable element inserted between the plunger or stamp and the elements to be bonded together; and in this respect a thermal treatment is carried out at a temperature of at least 100° C. and a maximum of 600° C. and a maintaining of the temperature over a period of at least 0.5 h to establish a bond connection of the cover plate(s) and the carrier element; wherein at least one cover plate is connected to a surface of the carrier element at which at least one opening of an aperture or of a cut-out is arranged.