Device and method for multi-energy field induced atomic-scale computer numerical control (CNC) machining in environmental atmosphere

A device for computer numerical control (CNC) machining in an environmental atmosphere, comprising an electromagnetic shielding chamber and a control mechanism, wherein an environmental chamber is formed in the electromagnetic shielding chamber, a workpiece platform is arranged at a bottom of the environmental chamber, and a nanotool driven by a nanotool actuator is arranged at a top of the environmental chamber, the workpiece platform is configured to place a workpiece and to allow the workpiece to move in an X-axis direction and a Y-axis direction, the nanotool actuator is used for controlling the nanotool to move above the workpiece platform in the X-axis direction, the Y-axis direction and a Z-axis direction, a gas inlet and a gas outlet which are connected to the environmental chamber are formed in the electromagnetic shielding chamber, an active medium is delivered into the environmental chamber via the gas inlet, and exhaust gas is discharged from the environmental chamber via the gas outlet;

• and the control mechanism is used for controlling the workpiece platform and the nanotool actuator;
• the environment chamber is equipped with an xyz-axis piezoceramic scanner tube configured to generate a force field;
• a heating stage configured to generate a temperature field;
• a signal generator and a power amplifier configured to generate an electric field;
• a combined laser device, a collimator and an optical fiber coupler configured to generate an optical field;
• and an electromagnet configured to generate a magnetic field;
• a force range of the force field is 0˜100 μN;
• a temperature range of the temperature field is 0˜500° C.;
• a voltage between the workpiece and the nanotool is within −100 V˜+100 V;
• a waveband of the optical field is from an ultraviolet band to an infrared band, and a power range of the optical field is 10 mW˜10 W;
• the magnetic field between the workpiece and the nanotool ranges from −10 T to 10 T, a temperature in the environmental chamber is maintained at 0° C.˜500° C., and a relative humidity in the environmental chamber is controlled to 30% ˜80%;
• the nanotool is made from one or more material selected from a group consisting of nickel, gold, silver, platinum, palladium, cobalt molybdenum oxide, titanium oxide, cerium oxide, zinc oxide;
• the active medium is one or more selected from a group consisting of metal cyclopentadienyl, metal β-2 ketone, metal amide;
• the workpiece is made of diamond.