**Exhibit 31.1**

### **CERTIFICATION**

I, Larry Buffington,certify that:

1. I have reviewed thisannual report on Form 10-K of Liquidmetal Technologies, Inc. for the year endedDecember 31, 2006;

2. Based on myknowledge, this annual report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this annual report;

3. Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this report;

4. The registrant’sother certifying officers and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e) and internal control over financial reporting (asdefined in Exchange Act Rules 13a-1f(f) and 15d-1f(f)) for the registrant andwe have:

a)    Designed such disclosure controls and procedures, or caused such disclosurecontrols and procedures to be designed under our supervision, to ensure thatmaterial information relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this annual report is being prepared;

b)   Designed such internal control over financial reporting, or caused suchinternal control over financial reporting to be designed under our supervision,to provide reasonable assurance regarding the reliability of financialreporting and the preparation of financial statements for external purposes inaccordance with generally accepted accounting principles;

c)    Evaluated the effectiveness of the registrant’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and

d)   Disclosed in this report any change in the registrant’s internal control overfinancial reporting that occurred during the registrant’s most recent fiscalyear (the registrant’s fourth fiscal quarter in the case of an annual report)that has materially affected, or is reasonable likely to materially affect, theregistrant’s internal control over financial reporting; and

5. The registrant’sother certifying officer(s) and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrant’sauditors and the audit committee of registrant’s board of directors (or personsperforming the equivalent function):

a)    All significant deficiencies and material weaknesses in the design or operationof internal controls over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information; and

b)   Any fraud, whether or not material, that involves management or other employeeswho have a significant role in the registrant’s internal controls overfinancial reporting.
| Date: March 16, 2007 | /s/ Larry E. Buffington               |
|----------------------|---------------------------------------|
|                 | Larry E. Buffington                   |
|                 | President and Chief Executive Officer |
|                 | (Principal Executive Officer)         |

 

 

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