Pellicle may refer to: 1  Pellicle (biology) , a thin layer supporting the cell membrane in various protozoa. 2  Pellicle mirror, a thin plastic membrane which may be used as a beam splitter or protective cover in optical systems. Pellicle, the protective cover which can be applied to a photomask used in semiconductor device fabrication.
In 2005, the median annual household income according to the US Census Bureau was determined to be $46,326, similar to that of Canada which was roughly $41,510 (USD) in the year 2000. The median income per household member (including all working and non-working members above the age of 14) in the year 2003 was $23,535. In the year 2005, there were approximately 113,146,000 households in the United States. 17.23% of all households had annual incomes exceeding $100,000, while another 12.7% fell below the federal poverty threshold while the bottom 20% earned less than $19,178.
Overall, the mean household income in the United States, according to the US Census Bureau 2014 Annual Social and Economic Supplement, was $72,641, or $20,702 (39.86%) higher than the median household income ($51,939).ousehold income is measured in various ways. One key measure is the real median level, meaning half of households have income above that level and half below, adjusted for inflation. According to the Federal Reserve, this measure was $51,939 in 2013, below the 1999 peak of around $57,000.