Processing

Please wait...

PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 27.07.2021 at 12:00 PM CEST
Settings

Settings

Goto Application

1. WO2020135932 - LEAD-FREE SOLDER COMPOSITIONS

Publication Number WO/2020/135932
Publication Date 02.07.2020
International Application No. PCT/EP2019/025490
International Filing Date 26.12.2019
IPC
B23K 35/26 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
26with the principal constituent melting at less than 400°C
C22C 13/00 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
13Alloys based on tin
CPC
B23K 35/262
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
26with the principal constituent melting at less than 400 degrees C
262Sn as the principal constituent
C22C 13/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
13Alloys based on tin
C22C 13/02
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
13Alloys based on tin
02with antimony or bismuth as the next major constituent
Applicants
  • ALPHA ASSEMBLY SOLUTIONS INC. [US]/[US]
  • SETNA, Rohan, P. [GB]/[GB] (MG)
Inventors
  • PANDHER, Ranjit
  • NAGARAJAN, Niveditha
  • KUMAR, Anil
  • RIBAS, Morgana de Avila
  • DUTT, Gyan
  • SARKAR, Siuli
  • BILGRIEN, Carl
Agents
  • BOULT WADE TENNANT LLP
Priority Data
62/785,29327.12.2018US
62/788,16904.01.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) LEAD-FREE SOLDER COMPOSITIONS
(FR) COMPOSITIONS DE BRASURE EXEMPTE DE PLOMB
Abstract
(EN)
A lead-free solder alloy comprising: from 1 to 9 wt.% copper, at least one of: from greater than 0 to 1 wt.% nickel, from greater than 0 to 10 wt.% germanium, from greater than 0 to 1 wt.% manganese, from greater than 0 to 10 wt.% aluminium, from greater than 0 to 10 wt.% silicon, from greater than 0 to 9 wt.% bismuth, from greater than 0 to 5 wt.% indium, from greater than 0 to 1 wt.% titanium, from greater than 0 to 2 wt.% lanthanum, from greater than 0 to 2 wt.% neodymium, optionally one or more of: up to 1 wt.% chromium, up to 1 wt.% gallium, up to 1 wt.% cobalt, up to 1 wt.% iron, up to 1 wt.% phosphorous, up to 1 wt.% gold, up to 1 wt.% tellurium, up to 1 wt.% selenium, up to 1 wt.% calcium, up to 1 wt.% vanadium, up to 1 wt.% molybdenum, up to 1 wt.% platinum, up to 1 wt.% magnesium, up to 5 wt.% silver, up to 1 wt.% zinc, up to 2 wt.% rare earth metals, excluding lanthanum and neodymium, and the balance tin together with any unavoidable impurities.
(FR)
La présente invention concerne un alliage de brasure comprenant : de 1 à 9 % en poids de cuivre ; de plus de 0 à 1 % en poids de nickel et/ou de plus de 0 à 10 % en poids de germanium et/ou de plus de 0 à 1 % en poids de manganèse et/ou de plus de 0 à 10 % en poids d’aluminium et/ou de plus de 0 à 10 % en poids de silicium et/ou de plus de 0 à 9 % en poids de bismuth et/ou de plus de 0 à 5 % en poids d’indium et/ou de plus de 0 à 1 % en poids de titane et/ou de plus de 0 à 2 % en poids de lanthane et/ou de plus de 0 à 2 % en poids de néodyme, éventuellement : maximum 1 % en poids de chrome et/ou maximum 1 % en poids de gallium et/ou maximum 1 % en poids de cobalt et/ou maximum 1 % en poids de fer et/ou maximum 1 % en poids de phosphore et/ou maximum 1 % en poids d’or et/ou maximum 1 % en poids de tellure et/ou maximum 1 % en poids de sélénium et/ou maximum 1 % en poids de calcium et/ou maximum 1 % en poids de vanadium et/ou maximum 1 % en poids de molybdène et/ou maximum 1 % en poids de platine et/ou maximum 1 % en poids de magnésium et/ou maximum 5 % en poids d’argent et/ou maximum 1 % en poids de zinc et/ou maximum 2 % en poids d’éléments terrestres rares à l’exclusion de lanthane et de néodyme, et le reste étant de l'étain conjointement avec des impuretés inévitables.
Latest bibliographic data on file with the International Bureau