1. A polyimide resin, which useful to produce a polyimide cast-on-copper laminate, made from thermal imidizing polyamic acid precursor, which obtained by reacting aromatic tetracarboxylic dianhydrides and aromatic diamines in a polar aprotic solvent, wherein the polyamic acid solution comprising inorganic filler selected from talc and mica powders at least 10% based on total amount of reactants, wherein the polyimide resin having coefficient of thermal expansion in the range of from 10 to 30 ppm\xb0 C.
2. A polyimide resin according to claim 1, wherein the aromatic tetracarboxylic dianhydrides are selected from the group comprising 3,3\u2032,4,4\u2032-biphenyltetracarboxylic dianhydride, pyromellitic dianhydride and benzophenonetetracarboxylic dianhydride, and mixtures thereof, and wherein the aromatic diamines are selected from the group comprising p-phenylenediamine, oxydianiline, N,N\u2032-diphenylmethylenediamine and diaminobenzophenone, and mixtures thereof.
3. A polyimide resin according to claim 2, wherein the aromatic tetracarboxylic dianhydride is 3,3\u2032,4,4\u2032-biphenyltetracarboxylic dianhydride, and wherein the aromatic diamines are p-phenylenediamine and oxydianiline and the mole ratio of p-phenylenediamine to oxydianiline is in the range of from 0.1 to 10.0.
4. A polyimide resin according to claim 3, wherein the mole ratio of the p-phenylenediamine to oxydianiline is in the range of from 1.0 to 4.0.
5. A polyimide cast-on-copper laminate, which useful to produce flexible printed circuit boards, producing by casting the polyamic acid solution of claim 1 on the surface of copper foil and thermal imidizing the polyamic acid to forrm a thermal resisting polyimide on the surface of copper foil.
6. A polyimide cast-on-copper laminate, which useful to produce flexible printed circuit boards, producing by casting the polyamic acid solution of claim 1 on the surface of copper foil and thermal imidizing the polyamic acid to forrm a thermal resisting polyimide film on the surface of copper foil, wherein the polyimide cast-on-copper laminate having a measured value of lesser than 0.20% of dimensional stability and meet reqquirement on IPC-TM-650, method 2.2.4.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. An organic controller comprising a combination of two or more substances selected from vitamins and vitamin-like substances, as the effective component.
2. An organic controller comprising a combination of one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from polyphenols, as the effective component.
3. An organic controller comprising a combination of one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from enzymes, as the effective component.
4. An organic controller comprising a combination of one or more substances selected from vitamins and vitamin-like substances, one or more substances selected from polyphenols, and one or more substances selected from enzymes, as the effective component.
5. An organic controller according to any one of claims 1 to 4, where the vitamins and vitamin-like substances are selected from vitamin A, vitamin B1, vitamin B2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, vitamin B15, vitamin B17, vitamin C, vitamin D, vitamin E, vitamin F, vitamin K, vitamin P, biotin, folic acid, beta-carotene, inositol, choline and Coenzyme Q; the polyphenols are selected from catechin, epicatechin, gallocatechin, epigallocatechin, epicatechin gallate, and epigallocatechin gallate; and the enzymes are selected from superoxide dismutase, catalase and glutathione peroxidase.
6. A method for producing an organic controller, comprising dissolving two or more substances selected from vitamins and vitamin-like substances separately in an appropriate solvent, further diluting the resulting solutions, mixing the individual dilute solutions at an appropriate ratio and diluting the resulting mixture solution.
7. A method for producing an organic controller, comprising dissolving one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from polyphenols, separately in an appropriate solvent, further diluting the resulting solutions, mixing the individual dilute solutions at an appropriate ratio and diluting the resulting mixture solution.
8. A method for producing an organic controller, comprising dissolving one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from enzymes, separately in an appropriate solvent, further diluting the resulting solutions, mixing the individual dilute solutions at an appropriate ratio and diluting the resulting mixture solution.
9. A method for producing an organic controller, comprising dissolving one or more substances selected from vitamins and vitamin-like substances, one or more substances selected from polyphenols and one or more substances selected from enzymes, separately in an appropriate solvent, further diluting the resulting solutions, mixing the individual dilute solutions at an appropriate ratio and diluting the resulting mixture solution.
10. A method for producing an organic controller according to any one of claims 6 to 9, where the vitamins and vitamin-like substances are selected from vitamin A, vitamin B1, vitamin B2, vitamin B3, vitamin B5, vitamin B6, vitamin B12, vitamin B15, vitamin B17, vitamin C, vitamin D, vitamin E, vitamin F, vitamin K, vitamin P, biotin, folic acid, beta-carotene, inositol, choline and Coenzyme Q; the polyphenols are selected from catechin, epicatechin, gallocatechin, epigallocatechin, epicatechin gallate, and epigallocatechin gallate; and the enzymes are selected from superoxide dismutase, catalase and glutathione peroxidase.