摘要:
Methods of forming a semiconductor structure and the semiconductor structure are disclosed. In one embodiment, a method includes forming a gate dielectric layer over a substrate, forming a gate electrode layer over the gate dielectric layer, and etching the gate electrode layer and the gate dielectric layer to form a horizontal gate structure and a vertical gate structure, wherein the horizontal gate structure and the vertical gate structure are connected by an interconnection portion. The method further includes forming a photoresist covering the horizontal gate structure and the vertical gate structure, with the photoresist having a gap exposing the interconnection portion between the horizontal gate structure and the vertical gate structure, and then etching the interconnection portion.
摘要:
A method for fabricating a device is disclosed. An exemplary method includes providing a substrate and forming a plurality of fins over the substrate. The method further includes forming a first opening in the substrate in a first longitudinal direction. The method further includes forming a second opening in the substrate in a second longitudinal direction. The first and second longitudinal directions are different. The method further includes depositing a filling material in the first and second openings.
摘要:
A method of forming a integrated circuit pattern. The method includes forming gate stacks on a substrate, two adjacent gate stacks of the gate stacks being spaced away by a dimension G; forming a nitrogen-containing layer on the gate stacks and the substrate; forming a dielectric material layer on the nitrogen-containing layer, the dielectric material layer having a thickness T substantially less than G/2; coating a photoresist layer on the dielectric material layer; and patterning the photoresist layer by a lithography process.
摘要:
A method for etching an ultra thin film is provided which includes providing a substrate having the ultra thin film formed thereon, patterning a photosensitive layer formed over the ultra thin film, etching the ultra thin film using the patterned photosensitive layer, and removing the patterned photosensitive layer. The etching process includes utilizing an etch material with a diffusion resistant carrier such that the etch material is prevented from diffusing to a region underneath the photosensitive layer and removing portions of the ultra thin film underneath the photosensitive layer.
摘要:
An intensity selective exposure photomask, also describes as a gradated photomask, is provided. The photomask includes a first region including a first array of sub-resolution features. The first region blocks a first percentage of the incident radiation. The photomask also includes a second region including a second array of sub-resolution features. The second region blocks a second percentage of the incident radiation different that the first percentage.
摘要:
A photomask set includes at least two masks that combine to form a device pattern in a semiconductor device. Orthogonal corners may be produced in a semiconductor device pattern to include one edge defined by a first mask and an orthogonal edge defined by a second mask. The mask set may include a first mask with compensation features and a second mask with void areas overlaying the compensation features when the first and second masks are aligned with one another, such that the compensation features are removed when patterns are successfully formed from the first and second masks. The compensation features alleviate proximity effects during the formation of device features.
摘要:
Provided is a system for overlay measurement in semiconductor manufacturing that includes a generator for exposing an overlay target to radiation and a detector for detecting reflected beams of the overlay target. The reflected beams are for overlay measurement and include at least two different beams.
摘要:
A method of forming a photolithography mask including forming a first linear non-dense feature on the mask and forming a plurality of parallel linear assist features disposed substantially perpendicular to the at least one linear non-dense design feature. In an embodiment, the photolithography mask further includes a first transverse linear assist feature disposed substantially transverse to the plurality of parallel linear assist features.
摘要:
A method of inhibiting photoresist pattern collapse which includes the steps of providing a substrate; providing a photoresist layer on the substrate; exposing and developing the photoresist layer; applying a top anti-reflective coating layer to the photoresist layer; rinsing the photoresist layer; and drying the photoresist layer.
摘要:
A photomask set includes at least two masks that combine to form a device pattern in a semiconductor device. Orthogonal corners may be produced in a semiconductor device pattern to include one edge defined by a first mask and an orthogonal edge defined by a second mask. The mask set may include a first mask with compensation features and a second mask with void areas overlaying the compensation features when the first and second masks are aligned with one another, such that the compensation features are removed when patterns are successfully formed from the first and second masks. The compensation features alleviate proximity effects during the formation of device features.