Abstract: A method for cleaning semiconductor substrate without damaging patterned structure on the semiconductor substrate using ultra/mega sonic device comprises applying liquid into a space between a substrate and an ultra/mega sonic device; setting an ultra/mega sonic power supply at frequency f1 and power P1 to drive the ultra/mega sonic device; before bubble cavitation in the liquid damaging patterned structure on the substrate, setting the ultra/mega sonic power supply at zero output; after temperature inside bubble cooling down to a set temperature, setting the ultra/mega sonic power supply at frequency f1 and power P1 again; detecting power on time at power P1 and frequency f1 and power off time separately or detecting amplitude of each waveform output by the ultra/mega sonic power supply; comparing the detected power on time with a preset time ?1, or comparing the detected power off time with a preset time ?2, or comparing detected amplitude of each waveform with a preset value, if the detected power on time

Abstract: The present invention relates to a rotating mechanism for annular pattern stamping and stamping machine thereof. The rotating mechanism comprises a base (4), a rotating unit (5) rotatably disposed on the base, an operating unit (6) detachably disposed on the rotating unit; wherein, a clamping space is defined between the rotating unit and the operating unit for clamping a stamping carrier; the operating unit is capable of rotating together with the rotating unit and the stamping carrier in the clamping space relative to the base. Compared with the manual mode, the rotating mechanism for annular pattern stamping of the present invention can realize the automatic rotation of the stamping carrier by the operating unit, so it is convenient to operate.

Abstract: A seal stamping machine comprises a first plate (1) and a second plate (2) disposed face to face, the first plate and the second plate being capable of compressing a stamp and a stamping carrier located between the first plate and the second plate. The first plate has a plurality of positioning holes (11); a plurality of elastic positioning mechanisms (3) disposed on the second plate, each elastic positioning mechanism corresponding to one of the plurality of positioning holes; when the first plate is pressed toward the second plate, the elastic positioning mechanisms prevent the first plate from moving away from the second plate. By enabling the positioning holes to cooperate with the elastic positioning mechanisms, the relative positioning between the first plate and the second plate can be realized, the positioning of the seal can be realized, and the displacement of the seal during the stamping process can be avoided.

Abstract: A system for controlling damages in cleaning a semiconductor wafer comprising features of patterned structures, the system comprising: a wafer holder for temporary restraining a semiconductor wafer during a cleaning process; an inlet for delivering a cleaning liquid over a surface of the semiconductor wafer; a sonic generator configured to alternately operate at a first frequency and a first power level for a first predetermined period of time and at a second frequency and a second power level for a second predetermined period of time, to impart sonic energy to the cleaning liquid, the first predetermined period of time and the second predetermined period of time consecutively following one another; and a controller programmed to provide the cleaning parameters, wherein at least one of the cleaning parameters is determined such that a percentage of damaged features as a result of the imparting sonic energy is lower than a predetermined threshold.

Abstract: A magnetic cutting and stamping pad (33), comprising a magnetic layer (331), and the magnetic layer (331) is connected to a pad layer (332) at a side facing a pattern medium (4); the magnetic field generated by the magnetic layer (331) penetrates the pad layer (332) and the pattern medium (4), attracts a cutting blade (5); during cutting and stamping, the cutting blade (5) completely penetrates the pattern medium (4) and enters above the pad layer (332), thereby ensuring that during the cutting and stamping the cutting blade (5) completely cuts out the pattern desired. The magnetic cutting and stamping pad (33) can position the relative locations of the cutting blade (5) and the pattern medium (4). The present invention also relates to a pattern cutting and stamping machine comprising the magnetic cutting and stamping pad (33), and a cutting and stamping method.

Abstract: A stamp device includes a main body. The main body includes a bottom plate on which a carrier and a stamp are placed, a pressing plate which cooperates with the bottom plate to press the carrier and the stamp, a limiting structure for limiting a lateral relative movement of the pressing plate and the bottom plate, and a connecting structure for folding and unfolding the main body. An upper surface of the bottom plate is provided with a working space for placing the carrier and the stamp. The present invention uses the pressing plate and the bottom plate to press the stamp and the carrier for stamping the pattern on the carrier. A movement space cooperates with a limiting member to limit the lateral movement of the pressing plate.

Abstract: A magnetic stapler includes a base plate, a positioning plate, and a stapler. The positioning plate is located between the base plate and the stapler. A groove is provided on the positioning plate. The contour of the groove fits the bottom of the stapler. Multiple first magnets are provided at the periphery of the positioning plate. Multiple second magnets corresponding respectively to the first magnets are provided on the base plate. The polarity of the second magnets is opposite to that of the first magnets. A staple-crimping platform is provided on the base plate. A staple dispensing outlet corresponding to a staple dispensing extremity of the stapler is provided at the bottom thereof. The position of the staple-crimping platform is opposite to the position of the staple dispensing outlet. The magnetic stapler has the advantages of being compact as a whole, easy to operate, and strongly practical and is capable of stapling at any position on sheets of paper.

Abstract: A manual craft cutting machine comprises a housing, a template, a press roller, a retainer, a backing plate, and a drive mechanism. The press roller is composed of a first press roller and a second press roller. The press roller is rotated under restriction of the retainer. The retainer comprises a positioning retainer and a sliding retainer. The positioning retainer is provided with a slide groove. The sliding retainer is inserted in the slide groove and movable along the slide groove. The sliding retainer comprises a first sliding retainer rotatably connected with the first press roller and a second sliding retainer rotatably connected with the second press roller. The manual craft cutting machine further comprises a press roller spacing adjustment mechanism. The press roller spacing adjustment mechanism comprises a shift adjusting mechanism for adjusting a large spacing between the press rollers and a fine adjustment mechanism for adjusting a fine spacing between the press rollers.

Abstract: A magnetic stapler includes a base plate, a positioning plate, and a stapler. The positioning plate is located between the base plate and the stapler. A groove is provided on the positioning plate. The contour of the groove fits the bottom of the stapler. Multiple first magnets are provided at the periphery of the positioning plate. Multiple second magnets corresponding respectively to the first magnets are provided on the base plate. The polarity of the second magnets is opposite to that of the first magnets. A staple-crimping platform is provided on the base plate. A staple dispensing outlet corresponding to a staple dispensing extremity of the stapler is provided at the bottom thereof. The position of the staple-crimping platform is opposite to the position of the staple dispensing outlet. The magnetic stapler has the advantages of being compact as a whole, easy to operate, and strongly practical and is capable of stapling at any position on sheets of paper.

Abstract: A manual craft cutting machine comprises a housing, a template, a press roller, a retainer, a backing plate, and a drive mechanism. The press roller is composed of a first press roller and a second press roller. The press roller is rotated under restriction of the retainer. The retainer comprises a positioning retainer and a sliding retainer. The positioning retainer is provided with a slide groove. The sliding retainer is inserted in the slide groove and movable along the slide groove. The sliding retainer comprises a first sliding retainer rotatably connected with the first press roller and a second sliding retainer rotatably connected with the second press roller. The manual craft cutting machine further comprises a press roller spacing adjustment mechanism. The press roller spacing adjustment mechanism comprises a shift adjusting mechanism for adjusting a large spacing between the press rollers and a fine adjustment mechanism for adjusting a fine spacing between the press rollers.

Abstract: A stamp device includes a main body. The main body includes a bottom plate on which a carrier and a stamp are placed, a pressing plate which cooperates with the bottom plate to press the carrier and the stamp, a limiting structure for limiting a lateral relative movement of the pressing plate and the bottom plate, and a connecting structure for folding and unfolding the main body. An upper surface of the bottom plate is provided with a working space for placing the carrier and the stamp. The present invention uses the pressing plate and the bottom plate to press the stamp and the carrier for stamping the pattern on the carrier. A movement space cooperates with a limiting member to limit the lateral movement of the pressing plate.

Abstract: The present patent application discloses an envelope making plate. The envelope making plate includes a plate body with a marking groove, a reference edge; and a scale line or an indication line corresponding to the type of the envelope. The plate body is divided into a working area and a non-working area by the reference edge. The envelope paper abuts against or aligns with the reference edge. One side of the envelope paper is the working area, and another side is the non-working area. The marking groove is set in the working area of the plate body and intersects with the reference edge or an extension line of the reference edge. The marking groove divides the reference edge or the extension line of the reference edge into an acute angle and an obtuse angle. The scale line or the indication line corresponding to the type of the envelope is set along the reference edge and on the side where the marking groove and the reference edge form the acute angle.

Abstract: The present patent application discloses an envelope making plate. The envelope making plate includes a plate body with a marking groove, a reference edge; and a scale line or an indication line corresponding to the type of the envelope. The plate body is divided into a working area and a non-working area by the reference edge. The envelope paper abuts against or aligns with the reference edge. One side of the envelope paper is the working area, and another side is the non-working area. The marking groove is set in the working area of the plate body and intersects with the reference edge or an extension line of the reference edge. The marking groove divides the reference edge or the extension line of the reference edge into an acute angle and an obtuse angle. The scale line or the indication line corresponding to the type of the envelope is set along the reference edge and on the side where the marking groove and the reference edge form the acute angle.