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.
Women made up 32.3 percentof the U.S. workforce. (See chart 17.)Nationally, unemployment was mea-sured at 5.5 percent in 1960 and peakedat 7.1 percent in mid-1961. (See table15 for wages in selected industries in1960.)The average family size had in-creased slightly to 3.1.In 87.4 percentof families, both a husband and a wifewere present, and the wife was em-ployed in 26.3 percent of these fami-lies. Children under age 18 were foundin 60.6 percent of all households.n13.3 percent of households, all the mem-bers were retired.Average family income in the coun-try was $6,691, 57.9 percent higher thanin 1950. Average family expenditures,$5,390, had increased 41.5 percent from1950.