Patent ID: 11899369
Assignee: FUJIFILM CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC G  C  H | IPC C  G  H

Claim 0:
1. A treatment liquid for a semiconductor device, comprising:
an alkanolamine;
a hydroxylamine;
an organic solvent;
coarse particles having a diameter of 0.2 μm or more;
Ca;
Fe; and
Na,
wherein the number of coarse particles in 1 mL of the treatment liquid is 10 or less,
the content of the alkanolamine in the treatment liquid is 0.1% to 5% by mass, the content of the hydroxylamine in the treatment liquid is 0.1% to 30% by mass, and
each of the mass ratio of Ca, Fe, and Na with respect to the content of the alkanolamine and the hydroxylamine in the treatment liquid is 10−12 to 10−4.