Abstract: A drive unit for motor vehicle applications, in particular to a locking system drive unit. The latter has an enclosure consisting substantially of a housing and cover. In addition, an electric motor is realized inside the enclosure. The electric motor is receiving with its two motor bearings in associated cutouts in the housing and is fixed by joining together the housing and the cover. According to the invention, the housing and/or the cover have/has fixing anchors in a central region that are arranged on both sides of the cutouts.

Abstract: A drive unit for motor vehicle applications, in particular to a locking system drive unit. The latter has an enclosure consisting substantially of a housing and cover. In addition, an electric motor is realized inside the enclosure. The electric motor is receiving with its two motor bearings in associated cutouts in the housing and is fixed by joining together the housing and the cover. According to the invention, the housing and/or the cover have/has fixing anchors in a central region that are arranged on both sides of the cutouts.

Abstract: An etching solution for copper and copper alloy surfaces comprising at least one acid, at least one oxidising agent suitable to oxidise copper, at least one source of halide ions and further at least one polyamide containing at least one polymeric moiety according to formula (I) wherein each a is independently from each other selected from 1, 2 and 3; each b is an integer independently from each other ranging from 5 to 10000; each R1 is a monovalent residue independently from each other selected from the group consisting of substituted or unsubstituted C1-C8-alkyl groups and a method for its use are provided. Such etching solution is particularly useful for retaining the shape of treated copper and copper alloy lines.

Abstract: An etching solution for copper and copper alloy surfaces comprising at least one acid, at least one oxidising agent suitable to oxidise copper, at least one source of halide ions and further at least one polyamide containing at least one polymeric moiety according to formula (I) wherein each a is independently from each other selected from 1, 2 and 3; each b is an integer independently from each other ranging from 5 to 10000; each R1 is a monovalent residue independently from each other selected from the group consisting of substituted or unsubstituted C1-C8-alkyl groups and a method for its use are provided. Such etching solution is particularly useful for retaining the shape of treated copper and copper alloy lines.

Abstract: A surface treatment solution for copper and copper alloy surfaces comprising an acid and an oxidising agent selected from the group consisting of hydrogen peroxide, metal peroxides, metal superoxides and mixtures thereof, at least one source of chloride ions and at least one source of bromide ions. The surface treatment solution is particularly useful in the manufacturing of printed circuit boards, IC substrates and other electronic appliances.

Abstract: The invention relates to a method for aligning two flat substrates with one another, wherein each substrate has at least one aligning mark for mutual alignment, particularly for aligning a mask with a wafer before exposure. After aligning the two substrates in a first aligning step by optically determining the position of the alignment mark of the first substrate, storing the position of the first substrate, and moving the second substrate parallel to the first substrate so that the alignment mark of the second substrate corresponds with the stored position of the alignment mark of the first substrate, in a second aligning step the alignment is verified and a fine adjustment is carried out if necessary. In this second step the alignment marks of both substrates are observed essentially simultaneously, and both substrates are aligned with one another by a relative movement parallel to the substrate plane.

Abstract: A motor-vehicle door latch housing has a dielectric plastic body, an electrical device secured to the body, a plurality of electrical conductors each at least partially imbedded in the body and each having an end forming a terminal adjacent the device, and a plurality of connectors on the device each is elastically deformable and bearing elastically on a respective one of the terminals. Each terminal fits in a predetermined direction with the respective connector. The connectors are deformed elastically transversely to the installation direction when fitted with the respective terminals. Thus as the device is fitted to the body, its connectors are automatically joined to the terminals.