Liquid storage cavity

Embodiments described herein relate to a reservoir chamber comprising: a base; one or more walls extending from the base, where the reservoir has a volume defined by the base and the one or more walls; and a perimeter at which the one or more walls are joined to the base, where at least a portion of the perimeter includes a perimeter recess defined by at least one of the one or more walls and the base, where the perimeter recess is configured to receive a volume of liquid. 本文描述的实施例涉及一种储液腔，包括：基部；从基部延伸的一个或更多个壁，其中，储液腔具有由基部和一个或更多个壁限定的体积；以及周边，一个或更多个壁在该周边处接合至基部，其中，周边的至少一部分包括由一个或更多个壁中的至少一者和基部限定的周边凹部，其中，周边凹部被构造为容纳液体体积。