Abstract: Disclosed herein is a method for treatment of at least one metallic surface of a substrate including at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) including (a) one or more metal ions selected from the group consisting of titanium, zirconium and hafnium ions (b) and one or more polymers (P) containing OH- and/or COOH-groups as well as at least one sulfur-containing moiety, to a corresponding acidic aqueous composition (A) as such, a master batch to produce such acidic aqueous composition (A), the use of the acidic aqueous composition (A) for treating metallic surfaces and substrates including the thus treated surfaces.

Abstract: Disclosed herein are a method for treatment of at least one metallic surface of a substrate including at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) including (a) one or more metal ions selected from the group consisting of titanium, zirconium and hafnium ions (b) and one or more polymers (P) having side chains (S1) and (S2) being different from one another, where side chain (S1) includes at least one functional group selected from the group consisting of hydroxyl groups and carboxylic acid groups and mixtures thereof, and side chain (S2) includes at least two hydroxyl groups, a corresponding acidic aqueous composition (A) as such, a master batch to produce such acidic aqueous composition (A), the use of the acidic aqueous composition (A) for treating metallic surfaces and substrates including the thus treated surfaces.

Abstract: Disclosed herein are a method for treatment of at least one metallic surface of a substrate including at least a step of contacting said surface with an acidic aqueous composition (A), said acidic aqueous composition (A) including Zr ions (a) at least one polymer (P) selected from the group consisting of poly(meth)acrylic acids and (meth)acrylic copolymers, as constituent (b), and Mo ions (c), where the relative weight ratio of Zr ions (a) to Mo ions (c), in each case calculated as metal, is in a range of from 40:1 to 7.5:1, to a corresponding acidic aqueous composition (A) as such,a method of using the acidic aqueous composition (A) for treating metallic surfaces and substrates including the thus treated surfaces.

Abstract: The present invention relates to an acidic aqueous composition for coating metallic surfaces, particularly of aluminium materials, that comprises, besides water and optionally further components, a) at least one compound selected from the group consisting of organoalkoxysilanes, organosilanols, polyorganosilanols, organosiloxanes and polyorganosiloxanes, b) at least one compound selected from the group consisting of titanium, zirconium, hafnium and aluminium compounds and silicon complex fluoride, and c) at least one copolymer which is stable at least in a segment of the pH range below 6 and which comprises, in alternating configuration, monomer units containing at least one carboxylic and/or phosphonic acid group and monomer units containing no acid group. The invention further relates to a corresponding coating method and to the use of the substrates coated by this method.

Abstract: Provided herein is a method for pretreating aluminum materials, particularly aluminum wheels, wherein an aluminum material is successively i) cleaned and subsequently rinsed, ii) optionally subjected to alkaline pickling and subsequently rinsed, iii) optionally contacted with an aqueous composition comprising at least one mineral acid, iv) optionally rinsed and v) contacted with an acidic aqueous composition comprising a) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and b) at least one linear terpolymer prepared by controlled radical polymerisation and comprising vinylphosphonic acid monomeric units, hydroxylethyl- and/or hydroxylpropyl-(meth)acrylate monomeric units and (meth)acrylic acid monomeric units, vi) optionally rinsed, vii) optionally contacted with another aqueous composition, viii) optionally rinsed and ix) optionally dried.

Abstract: The invention relates to a process for coating metallic surfaces with a composition containing silane/silanol/siloxane/polysiloxane, wherein, in addition to a) at least one compound selected from silanes, silanols, siloxanes and polysiloxanes, b) at least one compound containing titanium, hafnium, zirconium, aluminium and/or boron, and c) at least one type of cation selected from cations of metals of subgroups 1 to 3 and 5 to 8, including lanthanides, and of main group 2 of the periodic table of the elements, and/or at least one corresponding compound, the composition contains at least one substance d) selected from: d1) silicon-free compounds having at least one amino, urea and/or ureido group in each case, d2) anions of nitrite and/or compounds having at least one nitro group, d3) compounds based on peroxide, and d4) phosphorus-containing compounds, anions of at least one phosphate and/or anions of at least one phosphonate, as well as e) water, and f) optionally also at least one organic solvent.

Abstract: A layer electrode for touchscreens, in particular one which is suitable for the construction of capacitive touchscreens, wherein the detection accuracy of the touchscreen is virtually independent of an increase in the number of electrode arrays in the touchscreen. This is achieved in that, within the transparent field of view of the touchscreen, conductivity centres are formed through first electrode arrays which are connected directly to supply lines into the edge region and to a controller.

Abstract: Provided herein is a method for pretreating aluminum materials, particularly aluminum wheels, wherein an aluminum material is successively i) cleaned and subsequently rinsed, ii) optionally subjected to alkaline pickling and subsequently rinsed, iii) optionally contacted with an aqueous composition comprising at least one mineral acid, iv) optionally rinsed and v) contacted with an acidic aqueous composition comprising a) at least one compound selected from the group consisting of titanium, zirconium and hafnium compounds and b) at least one linear terpolymer prepared by controlled radical polymerisation and comprising vinylphosphonic acid monomeric units, hydroxylethyl- and/or hydroxylpropyl-(meth)acrylate monomeric units and (meth)acrylic acid monomeric units, vi) optionally rinsed, vii) optionally contacted with another aqueous composition, viii) optionally rinsed and ix) optionally dried.

Abstract: A layer electrode for touchscreens, in particular one which is suitable for the construction of capacitive touchscreens, wherein the detection accuracy of the touchscreen is virtually independent of an increase in the number of electrode arrays in the touchscreen. This is achieved in that, within the transparent field of view of the touchscreen, conductivity centres are formed through first electrode arrays which are connected directly to supply lines into the edge region and to a controller.

Abstract: The present invention relates to an acidic aqueous composition for coating metallic surfaces, particularly of aluminium materials, that comprises, besides water and optionally further components, a) at least one compound selected from the group consisting of organoalkoxysilanes, organosilanols, polyorganosilanols, organosiloxanes and polyorganosiloxanes, b) at least one compound selected from the group consisting of titanium, zirconium, hafnium and aluminium compounds and silicon complex fluoride, and c) at least one copolymer which is stable at least in a segment of the pH range below 6 and which comprises, in alternating configuration, monomer units containing at least one carboxylic and/or phosphonic acid group and monomer units containing no acid group. The invention further relates to a corresponding coating method and to the use of the substrates coated by this method.

Abstract: The invention relates to a capacitive sensor element with a plurality of sensor fields, as they correspond for example to the arrangement on a touch screen. This capacitive sensor element comprises at least one multilayer body made up of two structured electrically conductive layers and an insulating layer in between. The invention provides a layout with redundant conductive strips for an arrangement of crossing conductive strips, through which the requirement for register accuracy in the two-layer lamination of layer electrodes is reduced, in particular with respect to connecting the connections to the plugs in the edge area of a module using a corresponding sensor element.

Abstract: A method for coating metallic surfaces with aqueous compositions, wherein a silane-based aqueous composition containing at least one silane and/or a related silicon-containing compound and optionally additional components is treated further, for example, at temperatures above 70° C., in a pretreatment step without drying the coating, by using at least one aqueous rinse step after this pretreatment step and then performing an electrodeposition coating, in which at least one surfactant is added at least in the last rinse step of the aqueous rinse steps. Coated metallic surfaces are also described.

Abstract: The invention relates to a layer electrode for touchscreens, in particular one which is suitable for the construction of capacitive touchscreens. In the case of a growing number of pixels within the layer electrode, various possibilities are proposed for reducing the loss of surface area within an outer electrode array due to the passage of supply lines to inner electrode arrays. For this it is proposed to change the shape of the electrode arrays, the shape of the galvanic isolations between the electrode arrays and finally the arrangement of the supply lines for the electrode arrays.

Abstract: The invention relates to a process for coating metallic surfaces with a composition containing at least one of a silane, silanol, siloxane or polysiloxane that is capable of condensation, water and optionally an organic solvent. The composition also contains compound containing Ti, Hf, Zr, Al or B; and at least one type of cation or an organic compound d) selected from monomers, oligomers, polymers, copolymers and block copolymers. The coating freshly applied with this composition is rinsed with a fluid and is not dried thoroughly before this rinsing step so that the compound capable of condensation does not condense substantially before the rinsing step.

Abstract: A film (2) which has at least one electric or electronic functional layer (22), wherein at least one electric and/or electronic component is provided in a functional area of the functional layer (22), and wherein at least one electrical connection is provided in a contact area of the at least one functional layer (22), which electrical contact is galvanically coupled to at least one component, wherein the film (2) has a contact flap which provides at least one part of the contact area (20b, 20b?), has a further layer (23a, 23b, 24?), in a thickness of at least 300 nm and preferably at least 1 ?m, particularly preferably of at least 7 ?m, on the functional layer (22) at least in a transition area (20c) between the functional area (20a) and the contact area (20b), which comprises at least a partial area of the contact flap. Alternatively, in a transition area the flap can taper away from the functional area.

Abstract: A transmit circuit for sending and/or receiving at least one single-ended signal and for sending a differential signal on two transmission lines, including: a differential amplifier for sending signal parts of a differential signal via the two transmission lines, two impedance matching resistances that are situated between the transmission lines, connected in series, for the impedance matching of the differential amplifier; a switch that is connected in series between the impedance matching resistances; at least one single-ended transmit amplifier for sending or receiving a single-ended signal via an associated one of the transmission lines, each of the at least one single-ended transmit amplifiers being connected to a terminal of the switch that is connected, via the corresponding impedance matching resistance to the associated transmission line.

Abstract: A multilayer body with a carrier and a layer arranged thereon which comprises electrically conductive material in such an arrangement comprises an information area and a background area (18) which are galvanically separated from each other. In each information area a first zone (10) with electrically conductive material is provided, over the entirety of which electrically conductive material is conductively connected to it. In each background area a plurality of second zones with electrically conductive material is provided, which are galvanically separated from each other. Each first zone (10) preferably occupies a surface area that is at least five times larger than each of the second zones. The electrically conductive material is preferably provided with an average surface coverage which varies over all information areas and background areas (18) by less than 25%.

Abstract: In a multi-layer body with a carrier and at least one conduction layer first areas and second areas are galvanically isolated from each other by third areas. In the third area sections are omitted from conductor traces and replaced by replacement pieces. The multi-layer body thereby has an optically homogeneous effect (e.g. is uniformly transparent or uniformly reflective).

Abstract: The invention relates to a method for coating metal surfaces with an acidic aqueous conversion composition which contains: in total 0.01 to 1 g/l of TiF62+, ZrF62+ and/or HfF62 calculated as ZrF62+, 0 or 0.01 to 1 g/l in each case of Fe2+, Mn and/or Zn ions, of which at least one type of these ions is present in a content range from 0.01 to 1 g/l, 0 or 0.01 to 2 g/l of organic polymer and/or copolymer, 0 or 0.01 to 2 g/l of ultrafme particulate SiO2, approximately 0 or 0.01 to 10 g/l of at least one surfactant, approximately 0 or 0.05 to 10 g/l of anions of carbonate, nitrate and/or sulphate, and 0 or 0.001 to 2 g/l of carboxylate and/or sulphonate anions, wherein the content of molybdate and/or of P-containing oxy anions is in each case <0.1 g/l or is approximately 0 g/l, and wherein the composition has a pH value in the range from 2.5 to 6.5. The invention also relates to a corresponding coating and to the use of the substrates coated in this way.

Abstract: A method for coating metal surfaces, in particular surfaces of wheels made of an aluminum alloy, in a multi-step method, wherein the metallic surfaces are first contacted with an aqueous composition predominantly containing silane/silanol/siloxane/polysiloxane and thereafter contacted with an aqueous composition predominantly containing at least one phosphonic compound.