| Summary of Finite-lived intangible assets |
Finite-lived intangible assets as of December 29, 2012 and December 31, 2011 consist of the following (in thousands): | | | | | | | | | | | | | | Adjusted cost as of December 29, 2012 | | Accumulated amortization as of December 29, 2012 | | Net carrying amount as of December 29, 2012 | Developed technology | $ | 17,700 |
| | $ | (8,277 | ) | | $ | 9,423 |
| Customer relationships | 9,538 |
| | (8,643 | ) | | 895 |
| Brand names | 1,927 |
| | (1,599 | ) | | 328 |
| Patented technology | 2,252 |
| | (1,922 | ) | | 330 |
| Trademark | 80 |
| | (76 | ) | | 4 |
| Total | $ | 31,497 |
| | $ | (20,517 | ) | | $ | 10,980 |
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| | | | | | | | | | | | | | Adjusted cost as of December 31, 2011 | | Accumulated amortization as of December 31, 2011 | | Net carrying amount as of December 31, 2011 | Developed technology | $ | 17,489 |
| | $ | (5,600 | ) | | $ | 11,889 |
| Customer relationships | 9,517 |
| | (8,164 | ) | | 1,353 |
| Brand names | 1,927 |
| | (1,499 | ) | | 428 |
| Patented technology | 2,252 |
| | (1,856 | ) | | 396 |
| In-process research and development | 316 |
| | — |
| | 316 |
| Trademark | 80 |
| | (68 | ) | | 12 |
| Total | $ | 31,581 |
| | $ | (17,187 | ) | | $ | 14,394 |
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| Estimated future amortization expense |
The estimated future amortization expense as of December 29, 2012 is as follows (in thousands): | | | | | | | Fiscal Years | Amounts | 2013 | $ | 3,315 |
| 2014 | 3,024 |
| 2015 | 2,330 |
| 2016 | 1,878 |
| 2017 | 227 |
| Thereafter | 206 |
| Total amortization | $ | 10,980 |
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