The present disclosure provides a pellicle frame laminate with a first adhesive agent layer on an upper end face of a pellicle frame having the upper end face and a lower end face, the first adhesive agent layer being covered with a first protective sheet; and a second adhesive agent layer on the lower end face, the second adhesive agent layer being covered with a second protective sheet.

The present disclosure provides a pellicle frame laminate with a first adhesive agent layer on an upper end face of a pellicle frame having the upper end face and a lower end face, the first adhesive agent layer being covered with a first protective sheet; and a second adhesive agent layer on the lower end face, the second adhesive agent layer being covered with a second protective sheet.

A method for forming a structure of a pellicle-mask structure is provided. The method includes bonding a pellicle frame to a mask through a pellicle frame adhesive. The method also includes forming a vent structure in the pellicle frame. The method further includes bonding a pellicle membrane to the pellicle frame through a pellicle membrane adhesive. A first size of the pellicle membrane adhesive is greater than a second size of the pellicle frame adhesive.

A method for forming a structure of a pellicle-mask structure is provided. The method includes bonding a pellicle frame to a mask through a pellicle frame adhesive. The method also includes forming a vent structure in the pellicle frame. The method further includes bonding a pellicle membrane to the pellicle frame through a pellicle membrane adhesive. A first size of the pellicle membrane adhesive is greater than a second size of the pellicle frame adhesive.

The purpose of the present invention is to provide a pellicle frame with an adhesive layer with which it is possible to prevent deterioration in the flatness of the adhesive layer more effectively than before, further to moderate the stress applied by a pellicle to a photomask, and as a result to reduce pellicle induced distortion (PID). The present invention provides a pellicle frame with an adhesive layer having one end surface on which a pellicle film is provided and another end surface provided with an adhesive layer for adhesion to a photomask, wherein the adhesive layer has a thickness of 0.10 to 0.30 mm, and the adhesive layer has an adhesive force of 5?10.sup.?3 to 5?10.sup.?1 N/cm. The present invention also provides a pellicle provided with a pellicle film on the one end surface.

The purpose of the present invention is to provide a pellicle frame with an adhesive layer with which it is possible to prevent deterioration in the flatness of the adhesive layer more effectively than before, further to moderate the stress applied by a pellicle to a photomask, and as a result to reduce pellicle induced distortion (PID). The present invention provides a pellicle frame with an adhesive layer having one end surface on which a pellicle film is provided and another end surface provided with an adhesive layer for adhesion to a photomask, wherein the adhesive layer has a thickness of 0.10 to 0.30 mm, and the adhesive layer has an adhesive force of 5?10.sup.?3 to 5?10.sup.?1 N/cm. The present invention also provides a pellicle provided with a pellicle film on the one end surface.

A method of manufacturing a membrane assembly for EUV lithography, wherein a layer which forms at least part of a pellicle membrane is provided after one or more etching steps which define a pellicle border holding the pellicle membrane. Also provided is a pellicle substrate, the substrate including: a stack having a front face and back face, wherein one or more layers on the back face of the stack have been selectively removed to define a pellicle border region for holding the pellicle membrane before the layer which forms at least part of a pellicle membrane has been provided.

A method of manufacturing a membrane assembly for EUV lithography, wherein a layer which forms at least part of a pellicle membrane is provided after one or more etching steps which define a pellicle border holding the pellicle membrane. Also provided is a pellicle substrate, the substrate including: a stack having a front face and back face, wherein one or more layers on the back face of the stack have been selectively removed to define a pellicle border region for holding the pellicle membrane before the layer which forms at least part of a pellicle membrane has been provided.

A pellicle intermediary body, a pellicle, a method for manufacturing a pellicle intermediary body, and a pellicle manufacturing method are provided. A pellicle intermediary body has a Si substrate, a Si oxide film formed on a surface of the Si substrate, and a Si layer formed on a surface of the Si oxide film. The Si layer includes a low COP (Crystal Originated Particle) portion which is a part where the number of COPs decreases as it approaches the surface of the Si layer and is formed in the part that constitutes the surface of the Si layer.

A pellicle intermediary body, a pellicle, a method for manufacturing a pellicle intermediary body, and a pellicle manufacturing method are provided. A pellicle intermediary body has a Si substrate, a Si oxide film formed on a surface of the Si substrate, and a Si layer formed on a surface of the Si oxide film. The Si layer includes a low COP (Crystal Originated Particle) portion which is a part where the number of COPs decreases as it approaches the surface of the Si layer and is formed in the part that constitutes the surface of the Si layer.