Infineon Technologies Flash Gmbh & Co. Kg

Infineon Technologies Ag

Juerg Haufe

Josef Willer

An integrated circuit comprises a control unit, a plurality of control inputs for the provision of control signals to said control unit and a deactivation circuit for disabling the provision of at least one of said control signals. After reception of a first coded message by said integrated circuit the provision of at least one of said control signals to the control unit can be disabled by said deactivation circuit.

Integrated circuit with a control input that can be disabled

Word lines of a semiconductor component are provided with an encapsulation of dielectric material, Spacers of oxide extend alongside at the sidewalls of the word lines. The spacers are subsequently covered together with the word lines with a nitride layer. Borophosporosilicate glass is introduced between those portions of the nitride layer which respectively belong to a word line and is removed selectively with respect to the nitride using a mask. Contact hole fillings for the electrical connection of the buried bit lines are introduced into the contact holes thus formed.

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Dresden, Germany

Juerg Haufe