The present invention relates to a speaker grills manufacturing method for a vehicle, which comprises: a coating step of depositing metal on one surface of a steel plate to form a coating layer; a pre-etching step forming a first masking layer in a portion on the coating layer, etching the coating layer of a portion where the first masking layer is not formed, and removing the first masking layer to manufacturing a first etched steel plate; and a hole etching step forming a second masking layer in a portion where the coating layer exists on the first etched steel plate, etching the steel plate of a portion where the second masking layer is not formed, and removing the second masking layer to manufacture the second etched steel plate. A total area of the first masking layer is smaller than a total area of the second masking layer.

    본 발명은 강판의 일면에 금속을 증착하여 코팅층을 형성하는 코팅 단계; 상기 코팅층 상의 일부에 제1 마스킹층을 형성하고 제1 마스킹층이 형성되지 않은 부분의 코팅층을 에칭하고 제1 마스킹층을 제거하여 제1 에칭화 강판을 제조하는 프리 에칭 단계; 및 상기 제1 에칭화 강판 상의 코팅층이 존재하는 부분에 제2 마스킹층을 형성하고 제2 마스킹층이 형성되지 않은 부분의 강판을 에칭하고 제2 마스킹층을 제거하여 제2 에칭화 강판을 제조하는 홀 에칭 단계;를 포함하고, 상기 제1 마스킹층의 총 면적이 제2 마스킹층의 총 면적보다 좁은, 차량용 스피커 그릴 제조방법에 관한 것이다.


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    Titel :

    PREPARING METHOD OF SPEAKER GRIL FOR VEHICLES


    Weitere Titelangaben:

    차량용 스피커 그릴 제조방법


    Beteiligte:
    CHOI DONG JAE (Autor:in)

    Erscheinungsdatum :

    2021-02-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    C23F Nichtmechanisches Entfernen metallischer Stoffe von Oberflächen , NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler




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