TY JOUR TI THE PERFECT JOINT: THE ROLE OF FLUXES AND CONDUCTORS IN SOLDERING TECHNOLOGY KW soldering KW flux KW conductor KW rosin KW tinning KW oxidation KW electrical contact KW solder JO Scientific Papers Collection of the Angarsk State Technical University AU Gonchak, R.S. AU Pudalov, A.D. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»