摘要:
The invention relates to a micromechanical method and a corresponding assembly for bonding semiconductor substrates and a correspondingly bonded semiconductor chip. The assembly according to the invention comprises a semiconductor substrate having a chip pattern having a plurality of semiconductor chips (1), each having a functional region (4) and an edge region (4a) surrounding the functional region (4), wherein there is a bonding frame (2) made of a bonding alloy made from at least two alloy components in the edge region (4a), spaced apart from the functional region (4). Within the part (4a2) of the edge region (4a) surrounding the bonding frame (2) between the bonding frame (2) and the functional region (4), there is at least one stop frame (7; 7a, 7b; 7b'; 70) made of at least one of the alloy components, which is designed such that when a melt of the bond alloy contacts the stop frame (7; 7a, 7b; 7b'; 70) during bonding, the bonding alloy solidifies.
摘要:
The invention relates to a micromechanic acceleration sensor, comprising a substrate (1), an elastic membrane (5), which extends in parallel to the substrate plane, is partially connected to the substrate and comprises a surface region, which can be deflected perpendicular to the substrate plane. The invention further comprises a seismic mass (6), wherein the center of gravity thereof is outside of the plane of the elastic membrane (5). The seismic mass (6) extends at a distance across substrate regions, which are located outside of the region of the elastic membrane (5) and comprise an arrangement made of a plurality of electrodes (3a, 3b, 3c, 3d), which form a capacitor with opposing regions of the seismic mass (6) in a circuit. In the central region, the seismic mass (6) is fastened in the surface region of the elastic membrane (5), which can be deflected perpendicular to the substrate plane, to the elastic membrane (5).
摘要:
The invention relates to a method for producing porous microstructures (8, 8') in an Si semiconductor substrate (1), to porous microstructures (8, 8') produced according to this method and to the use thereof.
摘要:
The invention relates to a circuit module, particularly a tire sensor module, at least comprising: a substrate (2a, 2b), on, or in which at least one component (6, 11, 12, 13) is attached, a piezo element (3), having at least one clamping region (3a, 3b) and at least one oscillating region (3b, 3a), wherein the piezo element (3) is clamped in its clamping region (3a, 3b) at the substrate, or at means attached to the substrate, and its oscillating region (3b, 3a) is received in an oscillating manner, contact points (10) provided at the piezo element (3) for reducing a piezo voltage, and a power supply circuit (12, 13), which receives the piezo voltage generated by the piezo element (3), and which serves as a voltage source for the power supply of the circuit module (1). Preferably, the piezo element (3) is clamped between two substrate elements (2a, 2b), which form at least one cavity (5), in which the at least one oscillating region (3b, 3a) of the piezo element (3) is displaceably received, and is limited in its oscillation.