Abstract: A camera module is provided. The camera module includes a lens module; a carrier coupled to the lens module, and configured to rotate using an optical axis as a rotation axis; a housing configured to accommodate and support the carrier; and a guide unit disposed between the carrier and the housing, wherein the guide unit includes a ball member that is configured to perform a rolling movement between the carrier and the housing, and a first substrate connected to the lens module, wherein at least a portion of the first substrate is configured to bend as the carrier is rotated.

Abstract: A camera module is provided. The camera module includes a housing, and a first lens module and a second lens module disposed in the housing and individually movable in an optical axis direction, the first and second lens modules being configured to generate rolling friction on one of both sides of each of the first and second lens modules and sliding friction on the other of both sides when the first and second lens modules are moved.

Abstract: A stop module and a camera module including disclosed stop module. A stop module includes a base; blades sequentially overlapping each other on the base to rotate about separate rotation shafts to form incident holes having different sizes; and a driving portion including a magnet portion. One of the blades is a driving blade, which is directly interlocked with the magnet portion, and the blades other than the driving blade are driven to be directly or indirectly interlocked with the driving blade.

Abstract: An aperture module includes a rotary plate disposed on an upper portion of a base, an aperture driving unit rotating the rotary plate, and four blades interlocked with rotation of the rotary plate, and forming entrance holes having various sizes through combinations. The four blades are disposed on respective fixing shafts disposed on the base and rotated and driven around the respective fixing shafts, and the fixing shafts are interconnected to form a rectangle having a long side and a short side.

Abstract: A camera module includes a housing, and a first frame and a second frame sequentially disposed in the housing in an optical axis direction. The second frame includes a lens module configured to rotate together with the second frame about a first rotation axis and a second rotation axis, intersecting an optical axis direction. The first rotation axis is formed between the housing and an opposing surface of the first frame in the optical axis direction by first ball members disposed in a direction intersecting the optical axis direction. The second rotation axis is formed between the first fame and an opposing surface of the second frame in the optical axis direction by second ball members disposed in a direction intersecting the optical axis direction and the first rotation axis direction.

Abstract: Disclosed is a method of manufacturing a stainless steel with excellent contact resistance for a polymer fuel cell separator. The method of manufacturing a stainless steel with excellent contact resistance for a polymer fuel cell separator according to an embodiment of the present disclosure includes: electrolyzing to remove a first passivation film formed on a cold-rolled thin sheet of a stainless steel comprising, in percent (%) by weight of the entire composition, C: greater than 0 to 0.1%, N: greater than 0 to 0.02%, Si: greater than 0 to 0.25%, Mn: greater than 0 to 0.2%, P: greater than 0 to 0.04%, S: greater than 0 to 0.02%, Cr: 22 to 34%, Ti: greater than 0 to 0.5%, Nb: greater than 0 to 0.5%, the remainder of iron (Fe) and other inevitable impurities; and immersing in a mixed acid solution of nitric acid and hydrofluoric acid to form a second passivation film on the stainless cold-rolled thin sheet.

Abstract: A camera module is provided. The camera module includes a housing; a focus adjustment unit disposed in the housing; and a shake correction unit disposed in the housing, wherein the housing includes a first shake correction driving magnet and second shake correction driving magnet that provide a driving force to move the shake correction unit in a first direction intersecting an optical axis and a second direction intersecting the optical axis and the first direction, and a focus adjustment driving coil providing a driving force to move the focus adjustment unit in the optical axis direction. The housing further includes first to third yokes respectively disposed on a surface of the first magnet, a surface of the second magnet, and a surface of the focus adjustment driving coil.

Abstract: The present disclosure relates to austenitic stainless steel with excellent electrical conductivity in which metal copper is formed in a non-conductive passivation film formed on the surface of stainless steel, and a method of manufacturing the same. The austenitic stainless steel with excellent electrical conductivity according to an embodiment of present disclosure includes: a stainless steel base material comprising, in percent (%) by weight of the entire composition, C: 0.1% or less, Si: 0.1 to 1.0% or less, Mn: 0.1 to 2.0% or less, Cr: 15 to 24% or less, Ni: 6 to 12% or less, Cu: 0.5 to 3% or less, the remainder of iron (Fe) and other inevitable impurities; and a passivation film formed on the stainless steel base material, and the passivation film has a thickness of more than 0 and less than or equal to 5 nm, the Cu weight % content in the thickness region between 2 to 3 nm from the surface of the passivation film is 1.5 or more compared to the Cu weight % content of the stainless steel base material.

Abstract: A camera module includes a movable member, a holder, a fixing frame, a movable frame, and a first support frame. The movable member includes a lens module. The holder is coupled to the movable member and includes a magnet member. The fixing frame is configured to accommodate the holder and includes a coil member configured to face the magnet member. The movable frame is mounted on the holder and includes a pivot portion. The first support frame is configured to surround an upper surface portion of the pivot portion and a second support frame is configured to surround a lower surface portion of the pivot portion. The first support frame and the second support frame are respectively mounted on the fixing frame, and the movable frame is rotatably disposed around the pivot portion.

Abstract: A camera module includes a lens module accommodating one or more lenses and configured to move in an interior of a housing in an optical axis direction of the one or more lenses, a first support member connected to the lens module and extending toward an upper inner surface of the housing from the lens module in a first direction intersecting the optical axis, and a second support member connected to the first support member and extending toward a lower inner surface of the housing in a second direction intersecting with the optical axis.

Abstract: A camera module includes: an optical path folding member configured to refract or reflect light incident along a first optical axis in a direction of a second optical axis intersecting the first optical axis; a driving assembly configured to provide driving force to rotate the optical path folding member on a plane intersecting the first optical axis; and a first ball bearing and a second ball bearing supporting the optical path folding member such that the optical path folding member is enabled to rotate on the plane. A distance from the first ball bearing to the first optical axis is less than a distance from the second ball bearing to the first optical axis.

Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, a frame supported on the carrier and movable, relative to the carrier, in a first direction perpendicular to the optical axis direction, and a lens module supported on the frame and movable, relative to the frame, in a second direction perpendicular to the optical axis direction. One of the frame and the lens module is supported such that attractive force acts in one of the first direction and the second direction.

Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.

Abstract: Stainless steel with improved hydrophilicity and contact resistance for a Polymer Electrolyte Membrane Fuel Cell (PEMFC) separator, and a method of manufacturing the stainless steel Stainless steel are disclosed. Stainless steel for a Polymer Electrolyte Membrane Fuel Cell (PEMFC) separator according to an embodiment of the present disclosure may include: by weight percent, 0 to 0.02% of C (excluding 0), 0 to 0.02% of N (excluding 0), 0 to 0.25% of Si (excluding 0), 0 to 0.2% of Mn (excluding 0), 0 to 0.04% of P (excluding 0), 0 to 0.02% of S (excluding 0), 20 to 34% of Cr, 0 to 0.6% of V (excluding 0), 0 to 0.5% of Ti (excluding 0), 0 to 0.5% of Nb (excluding 0), and the remainder comprising iron (Fe) and other unavoidable impurities, wherein a plurality of patterns may be formed on a surface of the stainless steel in a direction that is inclined with respect to a rolling direction, and the plurality of patterns are arranged repeatedly in the rolling direction.

Abstract: An aperture module includes a rotation plate disposed on a base, a moving portion that moves linearly to rotate the rotation plate, and blades linked to the rotation plate to form an aperture having a variable size. The blades include at least two small-aperture blades that are contracted inwardly toward an optical axis to form the aperture having a first size and at least two medium-aperture blades that are contracted inwardly toward the optical axis to form the aperture having a second size larger than the first size. The at least two small-aperture blades and the at least two medium-aperture blades are extended outwardly away from the optical axis to form the aperture having a third size larger than the second size.

Abstract: A camera module includes a lens holder accommodating a lens module therein, a housing accommodating the lens module and the lens holder therein, a shake correction unit including first and second magnets, disposed in the lens holder, and first and second coils disposed to face the first and second magnets, a focusing unit including a third magnet, disposed in the lens module, and a third coil disposed on a first substrate disposed on the lens holder, and a plurality of ball members configured to support movement of the lens module in a direction perpendicular to an optical axis. The lens module, the lens holder, the third magnet, and the third coil are moved together in the direction perpendicular to the optical axis, by driving force of the shake correction unit.

Abstract: A camera module includes a housing accommodating a lens module and a carrier, a focusing unit including a first magnet disposed in the carrier and a first coil disposed on a first substrate on the housing, and a shake correction unit including a second magnet and a third magnet disposed in the lens module, and a second coil and a third coil disposed on a second substrate on the carrier. The first magnet and the first coil face each other in a first direction. The second magnet and the second coil face each other in the first direction, and the third magnet and the third coil face each other in a second direction. The second magnet and the second coil, and the third magnet and the third coil, move together in an optical axis direction by driving force generated by the first magnet and the first coil.

Abstract: An aperture module includes a rotation plate disposed on a base, a moving portion that moves linearly to rotate the rotation plate, and blades linked to the rotation plate to form an aperture having a variable size. The blades include at least two small-aperture blades that are contracted inwardly toward an optical axis to form the aperture having a first size and at least two medium-aperture blades that are contracted inwardly toward the optical axis to form the aperture having a second size larger than the first size. The at least two small-aperture blades and the at least two medium-aperture blades are extended outwardly away from the optical axis to form the aperture having a third size larger than the second size.

Abstract: A camera module includes a housing including a lens module, blades disposed on an object side of the lens module to consecutively form apertures having various sizes, a magnet portion including a driving magnet opposing a driving coil and being moveable rectilinearly, and a rotating plate interlocked with the magnet portion and the blades to convert linear movement of the magnet portion to rotational movement.

Abstract: Disclosed is a non-magnetic austenitic stainless steel with improved strength and surface conductivity. An austenitic stainless steel according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: 0.07 to 0.2%, N: 0.15 to 0.4%, Si: 0.8 to 2%, Mn: 16 to 22%, S: 0.01% or less (excluding 0), Cr: 12.5 to 20%, Cu: 1 to 3%, the remainder of iron (Fe) and other inevitable impurities, and satisfies the following equation (1). Ni+0.65Cr+1.05Mn+0.35Si+12.6C+33.6N?40??(1) Ni, Cr, Mn, Si, C, N are % by weight of each element.