A method for scribing transparent materials uses ultrashort laser pulses to create multiple scribe features with a single pass of the laser beam across the material, with at least one of the scribe features being formed below the surface of the material. This enables clean breaking of transparent materials at a higher speed than conventional techniques.

A bonding method includes ultrasonically welding a protruding portion extending on a surface of a first substrate member to a surface of a second substrate member by applying ultrasonic vibration to the first substrate member. A protruding stopper portion for stopping welding is provided on the surface of the first substrate member formed with the protruding portion, or on the surface of the second substrate member to come in contact with the protruding portion in a pressed state, to be disposed around the protruding portion in the pressed state. The ultrasonically welding includes a first process for applying ultrasonic vibration at amplitude as a first value to the first substrate member, and a second process for applying ultrasonic vibration to the first substrate member at amplitude as a second value lower than the first value after the first process.

A method for scribing transparent materials uses ultrashort laser pulses to create multiple scribe features with a single pass of the laser beam across the material, with at least one of the scribe features being formed below the surface of the material. This enables clean breaking of transparent materials at a higher speed than conventional techniques.

Provided is a transparent plastic container that may be laser-welded even though the transparent plastic container does not contain a significant quantity of laser absorber and has excellent transparency, and a method for efficiently producing the transparent plastic container. A transparent plastic container including a cover portion made of a transparent polyester resin and a main plastic container body made of a transparent polyester resin and a method for producing the transparent plastic container are characterized in that the cover portion is welded to the main plastic container body by condensed light of a long-wavelength laser having a wavelength of above or equal to 1.0 m.

An accommodating intraocular lens comprises a first lens component, a second lens component, and an adhesive between portions of the two lens components. The cured adhesive bonds the lens components to form a fluid chamber. The lens components are bonded to one another along a seam which extends circumferentially along at least a portion of the lens components. The lens components may comprise the same polymer material. The cured adhesive also comprises the polymer or a prepolymer of the polymer to provide increased strength. The polymer is hydratable such that the lens components and the cured adhesive therebetween can swell together to inhibit stresses between the lens components and the cured adhesive.

A method for quickly applying and spreading adhesive between substrates without leaving air bubbles. The method includes holding two substrates apart from each other with adhesive sides facing, a second substrate being positioned above a first substrate. The second substrate is suspended in a manner so as to cause a portion to warp towards the first substrate. After a liquid filler is applied between the two substrates, rollers are lowered onto the second substrate and moved so as to disperse the liquid filler between the first and second substrates. In accordance with the rolling of the rollers, end portions of the second substrate are lowered towards the first substrate.

A method of manufacturing an intraocular lens (IOL). Method includes mounting the anterior part of the IOL on a first nest where the anterior part defines a receptacle and has a haptic extending from an anterior face. A pre-determined desired amount of fluid is introduced in the receptacle. A bonding agent can be introduced into a trough of posterior part of the IOL and the posterior part can be mounted on a second nest. Force can be applied to draw the first nest towards the second nest (or vice versa) or the first and second nests can be placed in a vacuum sealed chamber and the first and second nest can be mechanically drawn together. Alternatively, the first and second nests can be placed in an inert gas chamber such that the posterior part and the anterior part are mechanically join together to form a fluid filled integral IOL.