| 摘要 |
A method of manufacturing a semiconductor device may include, but is not limited to, the following processes. A conductive film is formed over a semiconductor substrate. First and second photo resist patterns are formed on the conductive film. A space is located between the first and second photo resist patterns. An insulating mask is formed by using catalytic reaction so as to cover surfaces of the first and second photo resist patterns. The insulating mask protects the surfaces of the first and second photo resist patterns. A part of the conductive film is etched by using the insulating mask on the first and second photo resist patterns as an etching mask.
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