| 摘要 |
FIELD: polygraphy. ^ SUBSTANCE: ink cartridge comprises printing head for thermal jet printing. The said printing head incorporates element to generate heat for ejecting ink out through appropriate orifice. Aforesaid element in contact with ink features a protective layer comprising at least one component selected from the group consisting of silicon nitride and silicon carbide. Proposed inks comprise at least one component selected from polyvalent carboxylic acid and its salts. Note that aggregate level of content of aforesaid chemicals varies from at least 0.001 mmol/l to not less than 0.5 mmol/l. ^ EFFECT: expanded performances. ^ 7 cl, 8 dwg, 8 tbl |
