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Agreement with SK hynix (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
May 31, 2013 SK hynix | Dec. 31, 2013 SK hynix | Jun. 11, 2013 SK hynix | Dec. 31, 2013 Micron | Dec. 09, 2013 Micron
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Term of patent license agreement |  |  | 5 years |  | 7 years
Initial renewal term |  |  |  | 3 years |
Renewal term |  |  |  | 5 years |
Amount to be paid, as a percentage |  |  |  | 0.60% |
Amount to be paid quarterly |  | $ 12.0 | $ 12.0 | $ 10.0 | $ 10.0
Maximum amount to be paid annually |  |  |  |  | 40.0
Future Receivables |  | 216.0 |  | 274.5 |
Credit against settlement award | $ 250.0 |  |  |  |

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