The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2020
Filed:
Jan. 02, 2019
International Business Machines Corporation, Armonk, NY (US);
Richard A. Conti, Altamont, NY (US);
Jessica Dechene, Watervliet, NY (US);
Susan S. Fan, Cohoes, NY (US);
Son V. Nguyen, Schenectady, NY (US);
Jeffrey C. Shearer, Albany, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An upper layer is formed in a first interlayer dielectric (ILD) layer. The upper layer comprises a plurality of metal interconnects and one or more upper layer air gaps positioned between adjacent metal interconnects. A lower layer is formed in the first ILD layer. The lower layer comprises one or more vias, and one or more lower air gaps positioned between adjacent vias. The upper layer and the lower layer are formed in accordance with a dual-damascene process.