(1) Technical field: indicate the technical field to which the technical scheme to be protected belongs;
(2) Background technology: stating the background technology that is helpful for understanding, searching and examining the invention or utility model; It is possible to quote the literature reflecting these background technologies;
(3) Content of the invention: state clearly the technical problems to be solved by the invention or utility model and the technical scheme adopted to solve the technical problems, and state clearly the beneficial effects of the invention or utility model relative to the existing technology;
(4) Description of drawings: If there are drawings in the specification, a brief description of each drawing shall be given;
(5) Specific mode of implementation: explain in detail the preferred mode of realizing the invention or utility model that the applicant thinks; If necessary, give examples; If there are drawings, refer to the drawings.
Legal basis: Article 38 of the Patent Law of People's Republic of China (PRC). Upon receipt of the request, specification (the utility model must be attached with attached drawings) and claim of an application for a patent for invention or utility model, or the request, picture or photograph of design and its brief description, the patent administration department in the State Council shall specify the date of application, give the application number and notify the applicant.