Patents by Inventor Markus Muskulus

Markus Muskulus has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Immersion tin or tin alloy plating bath with improved removal of cuprous ions
    Patent number: 9057141
    Abstract: The invention concerns an immersion tin plating bath which comprises at least one aromatic sulfonic acid, at least one first precipitation additive and at least one second precipitation additive. The at least one first precipitation additive is an aliphatic poly-alcohol compound, an ether thereof or a polymer derived thereof having an average molecular weight in the range of 62 g/mol and 600 g/mol. The at least one second precipitation additive is a polyalkylene glycol compound having an average molecular weight in the range of 750 to 10,000 g/mol.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: June 16, 2015
    Assignee: Atotech Deutschland GmbH
    Inventors: Iris Barz, Arnd Kilian, Markus Muskulus, Britta Schafsteller
  • IMMERSION TIN OR TIN ALLOY PLATING BATH WITH IMPROVED REMOVAL OF CUPROUS IONS
    Publication number: 20130277226
    Abstract: The invention concerns an immersion tin plating bath which comprises at least one aromatic sulfonic acid, at least one first precipitation additive and at least one second precipitation additive. The at least one first precipitation additive is an aliphatic poly-alcohol compound, an ether thereof or a polymer derived thereof having an average molecular weight in the range of 62 g/mol and 600 g/mol. The at least one second precipitation additive is a polyalkylene glycol compound having an average molecular weight in the range of 750 to 10,000 g/mol.
    Type: Application
    Filed: January 3, 2012
    Publication date: October 24, 2013
    Applicant: ATOTECH DEUTSCHLAND GMBH
    Inventors: Iris Barz, Arnd Kilian, Markus Muskulus, Britta Schafsteller