A rotational resonator comprising a substrate with one or more anchor points (62, 72, 132, 142, 152, 162, 172, 182, 1921, 1922, 202, 212, 222, 232) and an inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231) with a first longitudinal end (691, 791, 1391, 1491, 1591, 1691, 1791, 1891, 1991, 2091, 2191, 2291, 2391) and a second longitudinal end (692, 792, 1392, 1492, 1592, 1692, 1792, 1892, 1992, 2092, 2192, 2292, 2392), wherein the first longitudinal end and second longitudinal end lie on opposite sides of the one or more anchor points, wherein the inertial mass has a rest position in the xy-plane that defines an inertial mass plane, and wherein the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231) is suspended from the one or more anchor points (62, 72, 132, 142, 152, 162, 172, 182, 1921, 1922, 202, 212, 222, 232) by at least one suspender (631, 731, 1331, 1431, 1531, 1631, 1731, 1831, 1931, 1933, 2031, 2033, 2131, 2231, 2331, 2333) extending from the one or more anchor points (62, 72, 132, 142, 152, 162, 172, 182, 1921, 1922, 202, 212, 222, 232) toward the first longitudinal end (691, 791, 1391, 1491, 1591, 1691, 1791, 1891, 1991, 2091, 2191, 2291, 2391) of the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231), and by at least one suspender (632, 732, 1332, 1432, 1532, 1632, 1732, 1832, 1932, 1934, 2032, 2034, 2132, 2232, 2332, 2334) extending from the same one or more anchor points (62, 72, 132, 142, 152, 162, 172, 182, 1921, 1922, 202, 212, 222, 232) toward the second longitudinal end (692, 792, 1392, 1492, 1592, 1692, 1792, 1892, 1992, 2092, 2192, 2292, 2392) of the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231), and wherein each suspender (631, 731, 1331, 1431, 1531, 1631, 1731, 1831, 1931, 1933, 2031, 2033, 2131, 2231, 2331, 2333, 632, 732, 1332, 1432, 1532, 1632, 1732, 1832, 1932, 1934, 2032, 2034, 2132, 2232, 2332, 2334) is attached from a first attachment point (641, 642, 741, 742, 1341, 1342, 1441, 1442, 1541, 1542, 1641, 1642, 1741, 1742, 1841, 1842, 1941, 1942, 1943, 1944, 2041, 2042, 2043, 2044, 2141, 2142, 2241, 2242) to its anchor point and from a second attachment point (651, 652, 751, 752, 1351, 1352, 1451, 1452, 1551, 1552, 1651, 1652, 1751, 1752, 1851, 1852, 1951, 1952, 1953, 1954, 2051, 2052, 2053, 2054, 2151, 2152, 2251, 2252) to the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231), and wherein one or more suspenders (631, 731, 1331, 1431, 1531, 1631, 1731, 1831, 1931, 1933, 2031, 2033, 2131, 2231, 2331, 2333, 632, 732, 1332, 1432, 1532, 1632, 1732, 1832, 1932, 1934, 2032, 2034, 2132, 2232, 2332, 2334) are coated suspenders coated with a piezoelectric transducer structure configured to drive or detect oscillating rotary movement in the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231), wherein at least one of the coated suspenders (631, 731, 1331, 1431, 1531, 1631, 1731, 1831, 1931, 1933, 2031, 2033, 2131, 2231, 2331, 2333, 632, 732, 1332, 1432, 1532, 1632, 1732, 1832, 1932, 1934, 2032, 2034, 2132, 2232, 2332, 2334) is attached from its second attachment point to the inertial mass (61, 71, 131, 141, 151, 161, 171, 181, 191, 201, 231) with a flexure (661, 662, 761, 762, 861, 862, 863, 1361, 1362, 1461, 1462, 1561, 1562, 1661, 1662, 1761, 1762, 1861, 1862, 1961, 1962, 1963, 1964, 2061, 2062, 2063, 2064, 2161, 2162, 2261, 2262, 2361, 2362, 2363, 2364), characterized in that said flexure (661, 662, 761, 762, 861, 862, 863, 1361, 1362, 1461, 1462, 1561, 1562, 1661, 1662, 1761, 1762, 1861, 1862, 1961, 1962, 1963, 1964, 2061, 2062, 2063, 2064, 2161, 2162, 2261, 2262, 2361, 2362, 2363, 2364). is stiff for translational movement out of the inertial mass plane but flexible for bending in the inertial mass plane and flexible for torsional twisting about an axis which is parallel to a lengthwise direction of the flexure that extends in the xy-plane.