Engineer and inventor Frances Hugle was born #OTD in 1927.

She pioneered techniques used in microcircuitry fabrication and obtained patents for many of them, including methods for printing circuits and producing semiconducting films.

Image: IEEE

Hugle's best known invention is probably the process we now call Tape-automated bonding (TAB), which she developed in 1966. It is an essential technique for the high-volume production of certain kinds of circuits.

https://www.eesemi.com/tab.htm

Hugle was awarded something like seventeen patents related to semiconductors and the production of integrated circuits.

Some of the techniques she pioneered are still in use today.

Tape Automated Bonding (TAB)

Frances co-founded a number of companies, including the early Silicon Valley firm Siliconix.

According to Wikipedia, she is the only woman included in Don Hoefler's 1968 "Semiconductor Family Tree."

Pdf: http://archive.computerhistory.org/resources/still-image/PENDING/X3665.2007/Fairchild/FSC_ENews_Hoefler_July68.pdf

Frances Hugle, née Sarnat, was born in Chicago and attended school in Hyde Park.

When she was seventeen she won a prominent math contest run by Wilson Junior College.

Her first place finish in the math contest prompted a Chicago Tribune story with a truly magnificent headline.

@mcnees Curious what the candid camera pictures look like 😎