producing the reservoir 5 or reservoirs 5 5 u2032 between the contact surfaces 3 4 h 2 o molecules are formed and provide at least partially for further filling in the reservoir 5 to the extent there is still free space the other h 2 o molecules are removed in the step according to fig1 roughly 3 to 5 individual layers of oh groups or h 2 o are present and 1 to 3 monolayers of h 2 o are removed or accommodated in the reservoir 5 from the step according to fig1 to the step according to fig2 a in the step shown in fig2 a the hydrogen bridge bonds are now formed directly between siloxane groups as a result of which a greater bond force arises this draws the contact surfaces 3 4 more strongly to one another and reduces the distance between the contact surfaces 3 4 accordingly there are only 1 to 2 individual layers of oh groups between the contact surfaces 1 2 in the step shown in fig2 b in turn with separation of h 2 o molecules according to the reaction which has been inserted below covalent compounds in the form of silanol groups are now formed between the contact surfaces 3 4 which lead to a much stronger bond force and require less space so that the distance between the contact surfaces 3 4 is further reduced until finally the minimum distance shown in fig3 is reached based on the contact surfaces 3 4 directly meeting one another up to stage 3 especially.