Electronic device and manufacturing method thereof
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorYasutoshi Okuno
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Abstract
An electronic device includes an element group which generates a specific identification number and is composed of a plurality of elements. The specific identification number is set based on irregular deviation in electric characteristic of the elements which is caused due to a random failure in a manufacturing process.
Claims14
An electronic device comprising:
- an element group which generates a specific identification number and which is composed a plurality of elements,
- wherein the specific identification number is set based on irregular deviation in electric characteristic of the elements which is caused due to a random failure in a manufacturing process.
A method for manufacturing an electronic device which includes an element group that is composed of a plurality of elements and generates a specific identification number and of which specific identification number is set based on irregular deviation in electric characteristic of an element which is caused due to a random failure in a manufacturing process, the method comprising the steps of:
- forming, on a substrate, an access transistor electrically connected to an active region or a gate wiring, each having a silicided surface, or an access transistor including a gate electrode that is fully silicided at least locally;
- and
- performing local thermal treatment to a region where the active region, the gate wiring, or the gate electrode is arranged.
Dependencies are inferred from the claim text.