# US 11,298,917 B2 · Decorative member and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,298,917 B2 - Document ID: US11298917B2 - Status: Granted - Kind: B2 - Application number: 16/828,044 - Filed: 2020-03-24 - Published: 2020-07-16 - Granted: 2022-04-12 - Earliest claimed: 2015-11-16 - Assignees: Toyoda Gosei Co., Ltd.; Shinko Nameplate Co., Ltd. - Applicants: Toyoda Gosei Co., Ltd.; Shinko Nameplate Co., Ltd. - Inventors: Koji Okumura; Hideto Maeda; Tatsuya Oba; Daiichiro Kawashima; Mitsuo Yoshida - Web page: https://patentgrep.com/patent/US11298917B2 ## CPC - B32B 15/04: comprising metal as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a bituminous or tarry layer B32B11/08; next to a water-setting substance layer B32B13/06; next to a glass layer B32B17/061; next to a cellulosic plastic layer B32B23/042)} - B32B 27/06: as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)} - B32B 37/14: characterised by the properties of the layers - B44C 3/025: {Superimposing layers to produce ornamental relief structures} - B60R 13/02: {Internal} Trim mouldings {; Internal} Ledges; Wall liners {for passenger compartments}; Roof liners (B60R13/01 takes precedence {; padded linings for the vehicle interior B60R21/04; arrangements or adaptations of floor mats or carpets in vehicles B60N3/04; internal lining for trains B61D17/18}) - G01S 7/03: Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver - B32B 2307/412: Transparent - B32B 2310/0843: using laser - B32B 2451/00: Decorative or ornamental articles - G01S 2013/93271: {in the front of the vehicles} - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B44C: PRODUCING DECORATIVE EFFECTS (processes for applying liquids or other fluent materials to surfaces, in general B05D; shaping of plastics or substances in a plastic state B29C; printing processes to produce transfer pictures B41M3/12; thermographic duplication or marking methods B41M5/00); MOSAICS; TARSIA WORK (imitation of mosaic or tarsia work patterns B44F11/04); PAPERHANGING {(labels G09F; multi-step processes for making paper labels or tags B31D1/02)} - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ## Abstract A decorative member includes: a transparent resin layer provided on a rear surface thereof with a general portion, a stepped portion recessed or protrudingly provided with respect to the general portion, and an inclination portion provided between the stepped portion and the general portion; and a decorative layer provided on the rear surface, wherein: an inclination angle of the inclination portion with respect to a normal line of the general portion is equal to or more than 25° and is equal to or less than 40°; a width of the inclination portion is large beyond 0.38 mm and is equal to or less than 1 mm; and the decorative layer includes: a first layer that covers the stepped portion of the rear surface; and a second layer that covers a part of the rear surface, which is not covered by at least the first layer. ## Claims ### Claim 1 A manufacturing method of a decorative member for covering a millimeter wave receiver of a vehicle comprising: preparing a transparent resin layer provided on a rear surface thereof with a general portion, a stepped portion recessed or protrudingly provided with respect to the general portion, and an inclination portion provided between the stepped portion and the general portion, an inclination angle of the inclination portion with respect to a normal line of the general portion being equal to or more than 25° and being equal to or less than 40° and a width of the inclination portion being large beyond 0.38 mm and being equal to or less than 1 mm; disposing a first layer, including a metal layer having a wavelength characteristic adapted to the millimeter wave receiver, on at least the stepped portion and the inclination portion of the rear surface of the transparent resin layer; allowing a part covering the stepped portion in the first layer to remain and separating an excess part, other than the covering the stepped portion, in the first layer by Laser irradiation, wherein when the excess part is separated, a boundary between an irradiation area and a non-irradiation area of the laser is set as a center in a width direction of the inclination portion; and disposing a second layer, made of a paint, on the rear surface of the transparent resin layer after the first layer is disposed, wherein the first layer and the second layer are included in a decorative layer for the vehicle. ### Claim 2 (depends on 1) The manufacturing method of the decorative member according to claim 1, wherein the first layer is made of indium, and when the excess part is separated, irradiation energy of laser irradiated to the first layer is equal to or more than 0.3 mJ and is equal to or less than 0.6 mJ. ### Claim 3 (depends on 1) The manufacturing method of the decorative member according to claim 1, wherein the first layer is made of indium, and when the excess part is separated, irradiation energy per unit area of laser irradiated to an overlap part of the first layer and the paint layer is equal to or more than 2.5 mJ and is equal to or less than 3.8 mJ. ### Claim 4 (depends on 1) The manufacturing method of the decorative member according to claim 1, the decorative layer displaying the first layer and the second layer viewable through the transparent resin layer from a front surface of the decorative member.