A pin latch includes a guide block, a handle having a trigger, and a shear pin housed slidably within the guide block and connected to the handle. The preferred embodiments describe a community purchase model where a product can be purchased a particular price only if enough buyers are willing to purchase at that price. A reflective-coating mixture is air sprayed onto the pre-treated component surface. A guard ring, a central conductive layer and a channel region are formed in the semiconductor substrate.