| http://www.w3.org/ns/prov#value | - In order to electrically connect the LED chips 1 mounted on the substrate 10 to the wiring pattern formed on the substrate 10, it is required to provide on the LED chips 1 an electrode section made of such metal material as aluminum and to connect this electrode to the wiring pattern on the substrate 10 by means of bonding wire, whereas there remains a problem that, as the electrode section formed
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