US 2025/0043213 A1 · CLEANING FORMULATION

Abstract

A glycol ether-containing water-based composition useful for cleaning contaminants present on the surface of a substrate, such as the surface of a printed circuit board during the manufacturing process of the printed circuit board, the contaminants including for example, solder flux and photoresist on the printed circuit board; the glycol ether-containing water-based composition including: (a) at least one glycol ether having a high boiling point and a low VOC; (b) at least one organic amine; (c) at least one surfactant; and (d) water; a process for producing the above glycol ether-containing water-based composition; and a process for cleaning a printed circuit board using the above glycol ether-containing water-based composition.

Claims14

Dependent claims

A glycol ether-containing water-based composition for use as a cleaning formulation during the manufacturing process of printed circuit boards, the composition comprising:

(a) at least one glycol ether having a boiling point of greater than 240° C.;
and a VOC content, in terms of vapor pressure, of less than 10 Pa at 20° C.;
(b) at least one organic amine;
(c) at least one surfactant;
and
(d) water.

3 more elements

Dependencies are inferred from the claim text.

Cleaning formulation

Life of this patent

Cleaning formulation

Life of this patent

Abstract

Claims14