A B C D E F H I L M P R S T U V A
Absolute PressureIn mass flow controllers, the pressure measured relative to zero pressure (perfect vacuum). ACAlternating current. Electrical power with current and voltage that vary periodically from positive to negative. Actual FlowIn mass flow devices, the gas flow as measured by an external standard, not the electrical output of a mass flow meter. Ambient PressureIn mass flow controllers, the absolute pressure of the medium surrounding the device. AmortizationThe practice of paying off an interest-bearing liability in installments comprising both principal and interest, as opposed to one lump sum.AnalystsWorkers at research or brokerage firms who make forecasts about companies' future earnings, revenues, growth rates, and stock price (price target). Also make recommendations regarding buying, selling, or holding a particular stock.
ArcAn intense, localized electrical discharge.回页首B
BaseThe platform on which a mass flow controller's components are mounted. Contains channels that form the main flow path of the gas.Buy RecommendationAn analyst's recommendation of a stock for purchase, based on a prediction that it will outperform comparable stocks.
BypassA mass flow controller component that maintains a constant ratio of gas flow through the device's sensor and main flow path, dividing the gas stream precisely over the entire calibrated flow range. Enables the total flow to be determined by measuring just the portion of gas that passes through the sensor. Also known as the flow splitter.回页首C
Calibration GasThe gas that flows through a mass flow device during calibration. Calibration TemperatureThe ambient temperature at which a mass flow device is calibrated.ChipAn integrated circuit or discrete device. Common StockShares in a public company that give holders rights to vote and receive dividends when declared by the board of directors but also put holders at risk if the company falters. Lower priority than preferred stock and bonds (debt) in the event of liquidation of the corporation. See also Shares.CompanyA corporation or limited partnership with publicly traded stock.
Control ValveA mass flow controller component that establishes gas flow by responding to a signal that compares actual flow with the set point. Driven by actuators that, in Aera® MFCs, are either piezoelectric, solenoid, or thermal, depending on the model.CVDChemical vapor deposition. A process that chemically deposits a film onto a substrate from a gaseous state. 回页首D
DCDirect current. Electrical power with current and voltage that do not change from positive to negative.Dead TimeIn mass flow controller testing, the interval of time between the set point step change and the start of the resulting observable response. DepositionA process in which a thin film of material is placed on the surface of a wafer.Differential PressureThe difference in absolute pressure between two points of measurement in a system. The measured difference in pressures between the gas inlet and outlet fittings of a mass flow controller, typically. DowngradeThe reduction of a stock's rating by an analyst. Examples include changing a "buy" recommendation to a "hold" or a "hold" recommendation to a "sell."
DVDDigital versatile (or video) disk. 回页首E
EarningsA company's revenues minus all costs (including taxes). Net income or profit.Earnings EstimateAn analyst's prediction about a particular company's earnings for a future quarter or year. An estimate of whether a company will increase, decrease, or remain unchanged in its operating income and overall profitability. See also Forecast.Earnings Estimate Date The date on which an analyst makes an annual or quarterly earnings estimate for a stock.
Earnings per Share (EPS)A company's profit per share. Earnings (net income) divided by the number of shares outstanding for that company.
EBITDAEarnings before interest, taxes, depreciation, and amortization.
Enterprise Value (EV)The total market capitalization of a company plus any outstanding debt. The cost of acquisition should one entity merge with or acquire another and assume the outstanding debt. ExchangeA registered marketplace where securities are traded. Examples include the New York Stock Exchange and the American Stock Exchange, as well as regional exchanges such as the Philadelphia Stock Exchange and the Pacific Stock Exchange. See also Listed Securities.回页首F
Fiscal Quarter A three-month (12- to 14-week) period designated as a quarter of a year by a particular company. A designation used for financial reporting and tax purposes.
Fiscal Year A 12-month (52- to 53-week) period designated as a year by a particular company. A designation used for financial reporting and tax purposes.
Forecast A prediction of a company's future earnings, revenues, stock prices, or other financial data. See also Earnings Estimate.
Hold Recommendation An analyst's recommendation that investors maintain their current position in a stock, based on a prediction that it will perform similarly to comparable stocks.回页首I
Interest The price paid for the use of credit or money. Expressed either in monetary terms or as a rate of payment.回页首L
Listed SecuritiesStocks traded on an exchange. See also Common Stocks, Exchange. 回页首M
Market Capitalization (Market Cap)The market value of all the stock in a company. The price per share multiplied by the number of shares outstanding.MultipleSee P/E Ratio.回页首P
P/E Ratio The relationship between a stock's price and a company's earnings. The current stock price divided by earnings per share (either the company's trailing annual earnings per share or the company's expected earnings per share). A figure used to compare the relative value of different stocks. Also called the multiple.PortfolioA group of securities or stocks held together for investment purposes. Price Target An analyst's forecast of a particular stock's price at a later date.ProfitSee Earnings.
Recommend Date The date on which an analyst makes a "buy," "sell," or "hold" recommendation for a stock.
RecommendationAn analyst's statement regarding the future prospects of a particular stock's prices.
ReturnThe increase in the value of a stock or portfolio over a specified period of time. Return on Buy-Rated Stocks The performance or return of portfolios created from an analyst's "strong buy" and "buy" recommendations, measured over periods of one, two, and three years.
RevenuesThe dollar amount of sales generated by a company.
Sell RecommendationAn analyst's recommendation to sell a stock, based on a prediction that the stock will underperform comparable stocks.
SharesA portion of equity ownership in a company. Includes common and preferred stock. See also Common Stock.Shares Outstanding The number of shares issued by a company minus any shares repurchased by the company.StockA financial instrument reflecting an equity ownership position in a company. Strong Buy (Recommendation) An analyst's strong recommendation to purchase a stock, based on a prediction that it will outperform comparable stocks by a wide margin.
Strong Sell (Recommendation)An analyst's strong recommendation to sell a stock, based on a prediction that it will underperform comparable stocks by a wide margin.
TaxA contribution for the support of a government required of persons, groups, or businesses within the domain of that government.
UpgradeThe improvement of a stock's rating by an analyst. Examples include changing a "hold" recommendation to a "buy" or a "sell" recommendation to a "hold."
VolumeThe number of shares traded for a particular stock or exchange.